Electrical Center Identification Views. Chevrolet Express

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 Express - AWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Electrical Center Identification Views

Connector 1:	Fuse Block - Underhood Label (Early Production)
Connector 2:	Fuse Block - Underhood Label (Late Production)
Connector 3:	Fuse Block - Underhood Top View
Connector 4:	Fuse Block - Underhood Bottom View
Connector 5:	Fuse Block - Underhood - C1
Connector 6:	Fuse Block - Underhood - C2
Connector 7:	Fuse Block - Underhood - C3
Connector 8:	Fuse Block - Underhood - C4
Connector 9:	Fuse Block - Underhood - C5
Connector 10:	Fuse Block - Underhood - C6
Connector 11:	Fuse Block - Underhood - C7
Connector 12:	Fuse Block - Body Label
Connector 13:	Fuse Block - Body Top View
Connector 14:	Fuse Block - Body Bottom View
Connector 15:	Fuse Block - Body - C1
Connector 16:	Fuse Block - Body - C2
Connector 17:	Fuse Block - Body - C4 (YF7/YF1)
Connector 18:	Fuse Block - Body - C5
Connector 19:	Fuse Block - Rear (PRP) - Top View
Connector 20:	Fuse Block - Rear (PRP) Bottom View

Fuse Block - Underhood Label (Early Production)

Fuse Block - Underhood Label (Late Production)

Fuse Block - Underhood - Label Usage (Gas)

No.	Device	Rating	Description
1	RDO BATT Fuse	15A	Radio (w/o UL5) or Chime Module (UL5)
2	PCM BATT Fuse	20A	Powertrain Control Module (PCM)
3	LT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Left (UF7) or C405 (Cutaway)
4	RT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Right (UF7) or C405 (Cutaway)
5	TRLR BCK/UP Fuse	10A	Trailer Wiring Harness (UY7) or C405 (Cutaway)
6	IGN 0 Fuse	10A	Powertrain Control Module (PCM), Body Control Module (BCM), Automatic Transmission
7	STOP LAMP Fuse	15A	Stop Lamp Switch
8	REAR DEF/HTD MIR Fuse	20A	HVAC Control Assembly (C49/DE5/DE7)
9	RT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - RF
10	LT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - LF
11	TBC 4 Fuse	15A	Body Control Module (BCM)
12	FUEL PMP Fuse	20A	FUEL PMP Relay
13	TRLR Fuse	30A	Trailer Wiring Harness (UY7)
14	HAZRD Fuse	15A	Turn Signal/Hazard Flasher Module
15	HORN Fuse	15A	HORN Relay
16	TBC 3 Fuse	15A	Body Control Module (BCM)
17	TRLR STOP/TRN Fuse	15A	Trailer Stop/Turn Relay - Left and Trailer Stop/Turn Relay - Right (UY7)
18	TBC 2 Fuse	15A	Body Control Module (BCM)
19	TBC Fuse	10A	Body Control Module (BCM)
20	RFA Fuse	10A	Remote Control Door Lock Receiver (RCDLR)
21	ENG 2 Fuse	10A	Even Fuel Injectors and Even Ignition Coils (4.8L/5.3L/6.0L) or Even Fuel Injectors and Ignition Coil (4.3L)
22	IGN E Fuse	10A	Stop Lamp Switch and A/C Relay
23	ENG 1 Fuse	15A	Odd Fuel Injectors, Odd Ignition Coils, EVAP Canister Purge Solenoid Valve, MAF/IAT Sensor, PNP Switch (4.8L/5.3L/6.0L) or Odd Fuel Injectors, Ignition Control Module, EVAP Canister Purge Solenoid Valve, MAF/IAT Sensor, PNP Switch (4.3L)
24	TBC IGN 1 Fuse	10A	Body Control Module (BCM)
25	SPARE Fuse	--	Not Used
26	ISRVM Fuse	10A	Inside Rearview Mirror (DF5)
27	CRNK Fuse	10A	Powertrain Control Module (PCM)
28	BTSI Fuse	10A	Stop Lamp Switch
29	AUX PWR Fuse	20A	Auxiliary Power Outlet 2
30	LTR Fuse	15A	Cigar Lighter/Auxiliary Power Outlet 1 and Data Link Connector (DLC)
31	IPC Fuse	10A	Instrument Panel Cluster (IPC)
32	A/C Fuse	10A	A/C Relay
33	SPARE Fuse	--	Not Used
34	CNSTR VENT SOL Fuse	10A	EVAP Canister Vent Solenoid Valve and SPARE Relay
35	SPARE Fuse	--	Not Used
36	BTSI BCK/UP Fuse	15A	Park/Neutral Position (PNP) Switch
37	AIRBAG Fuse	10A	PPS Module and Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicator (Light Duty w/o YF7), Inflatable Restraint I/P Module Disable Switch (Heavy Duty), SDM
38	PCM IGN 1 Fuse	15A	Powertrain Control Module (PCM), Cruise Control Module (CCM) - w/o JL4 or Throttle Actuator Control (TAC) Module and Steering Wheel Speed/Position Sensor - JL4
39	O2 SNSR B Fuse	15A	HO2S Bank 1 Sensor 2 and Bank 2 Sensor 2
40	O2 SNSR A Fuse	15A	HO2S Bank 1 Sensor 1 and Bank 2 Sensor 1
41	WSW Fuse	15A	WSW Relay
42	RT-LO BEAM Fuse	10A	Headlamp Low Beam - Right (Composite) or Headlamp - Right (Sealed)
43	LT-LO BEAM Fuse	10A	Headlamp Low Beam - Left (Composite) or Headlamp - Left (Sealed)
44	LT-HI BEAM Fuse	10A	Headlamp High Beam - Left (Composite) or Headlamp - Left (Sealed)
45	RT-HI BEAM Fuse	10A	Headlamp High Beam - Right (Composite) or Headlamp - Right (Sealed)
46	TBC ACCY Fuse	10A	Body Control Module (BCM)
47	FRT WPR Fuse	25A	Windshield Wiper Motor
48	ABS/VSES Fuse	60A	Electronic Brake Control Module (EBCM)
49	IGN A Fuse	40A	STRTR Relay and Ignition Switch
50	TRLR Fuse	30A	Trailer Wiring Harness (UY7)
51	BLWR Fuse	40A	Blower Motor Resistor Assembly
52	IGN B Fuse	40A	Ignition Switch
53	WSW Relay	--	Windshield Wiper Motor
54	A/C Relay	--	A/C Compressor Clutch
55	SPARE Relay	--	Not Used
56	LAMP-HI BEAM Relay	--	RT-HI BEAM and LT-HI BEAM Fuses
57	FUEL PMP Relay	--	Fuel Pump
58	LAMP-LO BEAM Relay	--	RT-LO BEAM and LT-LO BEAM Fuses
59	HORN Relay	--	Horn Assembly
63	SPARE Fuse	--	Not Used
64	SPARE Fuse	--	Not Used
--	PWR SEAT Circuit Breaker	30A	Seat Adjuster Switch - Driver (AG1) and Seat Adjuster Switch - Passenger (AG2)
--	STRTR Relay	--	Starter
--	SPARE Relay	--	Not Used
--	125A Fuse	125A	Fuse Block - Body

Fuse Block - Underhood - Label Usage (Diesel)

No.	Device	Rating	Description
1	RDO BATT Fuse	15A	Radio (w/o UL5) or Chime Module (UL5)
2	FOH/ECM/TCM BATT Fuse	20A	Engine Control Module (ECM), Transmission Control Module (TCM), Coolant Heater (K08)
3	LT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Left (UY7) or C405 (Cutaway)
4	RT REAR STOP/TRN Fuse	10A	Trailer Stop/Turn Relay - Right (UY7) or C405 (Cutaway)
5	TRLR BCK/UP Fuse	10A	Trailer Wiring Harness (UY7) or C405 (Cutaway)
6	IGN 0 Fuse	10A	Engine Control Module (ECM), Body Control Module (BCM), Automatic Transmission, Glow Plug Control Module (GPCM)
7	STOP LAMP Fuse	15A	Stop Lamp Switch
8	REAR DEF/HTD MIR Fuse	20A	HVAC Control Assembly (C49/DE5/DE7)
9	RT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - RF
10	LT DRL/TRN Fuse	10A	Park/Turn Signal Lamp - LF
11	TBC 4 Fuse	15A	Body Control Module (BCM)
12	FUEL PMP Fuse	15A	FUEL PMP Relay
13	TRLR Fuse	30A	Trailer Wiring Harness (UY7)
14	HAZRD Fuse	15A	Turn Signal/Hazard Flasher Module
15	HORN Fuse	15A	HORN Relay
16	TBC 3 Fuse	15A	Body Control Module (BCM)
17	TRLR STOP/TRN Fuse	15A	Trailer Stop/Turn Relay - Left and Trailer Stop/Turn Relay - Right (UY7)
18	TBC 2 Fuse	15A	Body Control Module (BCM)
19	TBC Fuse	10A	Body Control Module (BCM)
20	RFA Fuse	10A	Remote Control Door Lock Receiver (RCDLR)
21	SPARE Fuse	--	Not Used
22	IGN E Fuse	10A	Stop Lamp Switch and A/C Relay
23	ENG 1 Fuse	10A	MAF/IAT Sensor and PNP Switch
24	TBC IGN 1 Fuse	10A	Body Control Module (BCM)
25	FUEL HTR Fuse	20A	Fuel Heater
26	ISRVM Fuse	10A	Inside Rearview Mirror (DF5)
27	CRNK Fuse	10A	Engine Control Module (ECM)
28	BTSI Fuse	10A	Stop Lamp Switch
29	AUX PWR Fuse	20A	Auxiliary Power Outlet 2
30	LTR Fuse	15A	Cigar Lighter/Auxiliary Power Outlet 1 and Data Link Connector (DLC)
31	IPC Fuse	10A	Instrument Panel Cluster (IPC)
32	A/C Fuse	10A	A/C Relay
33	ECM Fuse	30A	ECM Relay
34	REAR FOG LMPS Fuse	10A	REAR FOG LMPS Relay (T79)
35	FAN CLTCH Fuse	10A	Cooling Fan Relay (LMM)
36	BTSI BCK/UP Fuse	15A	Park/Neutral Position (PNP) Switch
37	AIRBAG Fuse	10A	Inflatable Restraint I/P Module Disable Switch and SDM
38	ECM/TCM/GLOW PLUG CNTRL MDL IGN 1 Fuse	10A	Engine Control Module (ECM), Glow Plug Control Module (GPCM), Transmission Control Module (TCM)
39	SPARE Fuse	--	Not Used
40	SPARE Fuse	--	Not Used
41	WSW Fuse	15A	WSW Relay
42	RT-LO BEAM Fuse	10A	Headlamp Low Beam Right (Composite) or Headlamp - Right (Sealed)
43	LT-LO BEAM Fuse	10A	Headlamp Low Beam Left (Composite) or Headlamp - Left (Sealed)
44	LT-HI BEAM Fuse	10A	Headlamp High Beam Left (Composite) or Headlamp - Left (Sealed)
45	RT-HI BEAM Fuse	10A	Headlamp High Beam Right (Composite) or Headlamp - Right (Sealed)
46	TBC/TCM ACCY Fuse	10A	Body Control Module (BCM) and Transmission Control Module (TCM)
47	FRT WPR Fuse	25A	Windshield Wiper Motor
48	ABS/VSES Fuse	60A	Electronic Brake Control Module (EBCM)
49	IGN A Fuse	40A	STRTR Relay and Ignition Switch
50	TRLR Fuse	30A	Trailer Wiring Harness (UY7)
51	BLWR Fuse	40A	Blower Motor Resistor Assembly
52	IGN B Fuse	40A	Ignition Switch
53	WSW Relay	--	Windshield Wiper Motor
54	A/C Relay	--	A/C Compressor Clutch
55	REAR FOG LMPS Relay	--	Rear Fog Lamps (T79)
56	LAMP-HI BEAM Relay	--	RT-HI BEAM and LT-HI BEAM Fuses
57	FUEL PMP Relay	--	Fuel Prime Pump
58	LAMP-LO BEAM Relay	--	RT-LO BEAM and LT-LO BEAM Fuses
59	HORN Relay	--	Horn Assembly
63	ECM ACT Fuse	10A	Engine Control Module (ECM)
64	SPARE Fuse	--	Not Used
--	PWR SEAT Circuit Breaker	30A	Seat Adjuster Switch - Driver (AG1) and Seat Adjuster Switch - Passenger (AG2)
--	STRTR Relay	--	Starter
--	ECM Relay	--	ECM ACT Fuse and Engine Control Module (ECM)
--	125A Fuse	125A	Fuse Block - Body

Fuse Block - Underhood Top View

Fuse Block - Underhood Bottom View

Fuse Block - Underhood - C1

Connector Part Information

OEM: 15319897
Service: 15319897
Description: 68-Way F Metri-Pack 280 Series Flexlock (L-GY)

Terminal Part Information

Pins: A1-A9, B2, B4, B10, C2, C4, D4, D10, D12, E10, F2-F4, F8, F12
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A1-A8, B10, D12, F2, F8 - E/C
Core/Insulation Crimp: Pins A9, B2, B4, C2, C4, D4, D10, E10, F3, F4, F12 - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A10, D8, E1, E4, E8, F1
Terminal/Tray: 12110842/4
Core/Insulation Crimp: Pins A10, E1, E4, E8, F1 - See Terminal Repair Kit
Core/Insulation Crimp: Pins D8 - A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C1
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: C3, C10, E2, E6, F6, F11
Terminal/Tray: 12110844/4
Core/Insulation Crimp: C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood - C1

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	YE/BK	625	Starter Enable Relay Control
A3-A7	--	--	Not Used
A8	PU	420	TCC Brake Switch/Cruise Control Release Signal
A9	L-GN	275	Park Neutral Position Switch Park Signal
A10	RD/WH	440	Battery Positive Voltage
A10	RD/WH	440	Battery Positive Voltage
A11-A12	--	--	Not Used
B1	--	--	Not Used
B2	D-GN	1433	Neutral Safety Back Up Switch Signal
B3	--	--	Not Used
B4	PK	139	Ignition 1 Voltage (Gas)
B4	PK	139	Ignition 1 Voltage (4.8L/5.3L/6.0L)
B5-B9	--	--	Not Used
B10	PU	806	Crank Voltage
B11-B12	--	--	Not Used
C1	PU	6	Starter Solenoid Crank Voltage
C2	BK	1250	Ground
C3	PK	339	Ignition 1 Voltage
C4	PK	139	Ignition 1 Voltage (Gas)
C4	PK	139	Ignition 1 Voltage (Gas)
C5-C9	--	--	Not Used
C10	PK	239	Ignition 1 Voltage (Gas)
C11-C12	--	--	Not Used
D1-D3	--	--	Not Used
D4	PK	139	Ignition 1 Voltage
D4	PK	139	Ignition 1 Voltage
D5	--	--	Not Used
D8	RD/WH	740	Ignition 1 Voltage (Diesel)
D9	--	--	Not Used
D10	PK	239	Ignition 1 Voltage (Gas)
D10	PK	239	Ignition 1 Voltage (4.8L/5.3L/6.0L)
D11	--	--	Not Used
D12	D-GN/WH	459	A/C Compressor Clutch Relay Control (C60)
E1	PK	539	Ignition 1 Voltage (Gas)
E1	PK	539	Ignition 1 Voltage (Gas)
E2	PK	439	Ignition 1 Voltage
E2	PK	439	Ignition 1 Voltage (Diesel)
E3	--	--	Not Used
E4	PK	139	Ignition 1 Voltage (Gas)
E4	PK	139	Ignition 1 Voltage (Gas)
E5	--	--	Not Used
E6	RD/WH	140	Battery Positive Voltage (Gas)
E7	--	--	Not Used
E8	RD/WH	740	Ignition 1 Voltage (Diesel)
E8	RD/WH	740	Ignition 1 Voltage (Diesel)
E9	--	--	Not Used
E10	PK	239	Ignition 1 Voltage (Gas)
E10	PK	239	Ignition 1 Voltage (Gas)
E11-E12	--	--	Not Used
F1	PK	1539	Ignition 1 Voltage (Gas)
F1	PK	1539	Ignition 1 Voltage (Gas)
F2	PK	1020	Ignition 0 Voltage (Diesel)
F3	PK	1020	Ignition 0 Voltage (Gas)
F3	PK	1020	Ignition 0 Voltage
F4	D-GN	1329	Horn Fuse Supply Voltage
F5	--	--	Not Used
F6	RD/WH	840	Ignition 1 Voltage (Diesel)
F7	--	--	Not Used
F8	D-GN/WH	465	Fuel Pump Relay Control
F9-F10	--	--	Not Used
F11	D-GN	1324	Backup Lamp Supply Voltage
F12	D-GN	59	A/C Compressor Clutch Supply Voltage (C60)

Fuse Block - Underhood - C2

Connector Part Information

OEM: 15319896
Service: 15319896
Description: 68-Way F Metri-Pack 280 Series Flexlock (BK)

Terminal Part Information

Pins: A1, A4-A11, B1, B3, B6, B8, B11, C1, C3, C8, C12, D1, D3, D5, D11, E1, E2, E8-E12, F1, F4-F7, F10, F11
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A1, A7, A9, A11, B1, B3, B8, C3, C8, C12, D3, D5, E8-E10, E12, F1, F4-F7 - E/C
Core/Insulation Crimp: Pins A4, A6, A10, B6, B11, C1, D1, D11, E1, E2, E11, F10, F11 - C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A2, A3, B4, B5, B7, E3, E5
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: C2, D3, D4, D8, D10, E4, E6, F2, F3, F9
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C10
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood - C2

Pin	Wire Color	Circuit No.	Function
A1	L-GN/BK	584	A/T Shift Lock Control Switch Supply Voltage
A2	WH	1390	Accy/Run/Start Voltage
A3	YE	5	Crank Voltage
A4	RD/WH	4440	Battery Positive Voltage (C49/DE5/DE7)
A5	--	--	Not Used
A6	RD/WH	540	Battery Positive Voltage
A7	PK	1439	Ignition 1 Voltage (DF5)
A8	--	--	Not Used
A9	BN	441	Ignition 3 Voltage
A10	OG	4040	Battery Positive Voltage
A11	YE	343	Accessory Voltage
A11	YE	343	Accessory Voltage (Diesel)
A12	--	--	Not Used
B1	PK/WH	1970	Headlamp Low Beam Relay Control
B2	--	--	Not Used
B3	RD/WH	1140	Battery Positive Voltage
B4	D-BU	47	Trailer Auxiliary Supply Voltage (UY7)
B5	RD/WH	3540	Battery Positive Voltage
B6	BN	2109	Trailer Park Lamps Supply Voltage (Cutaway/UY7)
B7	RD/WH	2940	Battery Positive Voltage (UY7)
B8	PK	39	Ignition 1 Voltage
B9-B10	--	--	Not Used
B11	WH	17	Stop Lamp Switch Signal (Cutaway)
B12	--	--	Not Used
C1	D-GN	5365	Right DRL/Turn Supply Voltage
C2	RD/WH	2240	Battery Positive Voltage
C3	TN	28	Horn Relay Control
C3	TN	28	Horn Relay Control (AU0)
C4-C5	--	--	Not Used
C8	D-GN/WH	636	Ambient Air Temperature Sensor Signal (DF5)
C9	--	--	Not Used
C10	YE	143	Accessory Voltage
C11	--	--	Not Used
C12	PK	739	Ignition 1 Voltage
D1	RD/WH	2140	Battery Positive Voltage
D2	--	--	Not Used
D3	PK	439	Ignition 1 Voltage (4.3L w/K34)
	PK	1339	Ignition 1 Voltage (Gas w/o 4.3L)
	BN	341	Ignition 1 Voltage (JL4)
D4	PK	1139	Ignition 1 Voltage (Light Duty w/o YF7)
D4	PK	1139	Ignition 1 Voltage
D5	TN/WH	1969	Headlamp High Beam Relay Control
D8	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage (Cutaway/UY7)
D9	--	--	Not Used
D10	RD/WH	340	Battery Positive Voltage
D11	D-BU/WH	149	Courtesy Lamp Supply Voltage (Cutaway)
D12	--	--	Not Used
E1	D-BU	5364	Left DRL/Turn Supply Voltage
E2	RD/WH	1040	Battery Positive Voltage
E3	PK	3	Ignition 1 Voltage
E4	PK	1139	Ignition 1 Voltage
E5	BN	4	Accessory Voltage
E6	OG	228	Windshield Washer Pump Control
E7	--	--	Not Used
E8	PU	420	TCC Brake Switch/Cruise Control Release Signal (K34 w/o JL4)
E9	PU	420	TCC Brake Switch/Cruise Control Release Signal
E10	RD/WH	2340	Battery Positive Voltage
E11	YE/BK	1334	Left Rear Turn Signal Lamp Supply Voltage (Cutaway)
E12	PK	739	Ignition 1 Voltage
E12	PK	739	Ignition 1 Voltage
F1	RD/WH	1240	Battery Positive Voltage (AU0)
F2	RD/WH	640	Battery Positive Voltage
F2	RD/WH	640	Battery Positive Voltage
F3	BN	2309	Front Park Lamps Supply Voltage
F4	PK	1020	Ignition 0 Voltage
F5	OG	2268	Windshield Washer Relay Control
F6	--	--	Not Used
F7	TN/WH	1704	Low Reference (DF5)
F8	--	--	Not Used
F9	YE	18	Left Rear Stop/Turn Lamp Supply Voltage (Cutaway/UY7)
F10	RD/WH	1540	Battery Positive Voltage
F11	D-GN/WH	1335	Right Rear Turn Signal Lamp Supply Voltage (Cutaway)
F12	--	--	Not Used

Fuse Block - Underhood - C3

Connector Part Information

OEM: 15319892
Service: 15319892
Description: 32-Way F Metri-Pack 280 Series Flexlock (NA)

Terminal Part Information

Pins: A4, A6, C1, D2, E1, F1
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A4, A6, C1, D2, F1 - E/A
Core/Insulation Crimp: Pins E1 - E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A5, B1, B6, C5, C6, D1, E3, E5, F3
Terminal/Tray: 12110842/4
Core/Insulation Crimp: Pins A5 - A/B
Core/Insulation Crimp: Pins B1, B6, C5, C6, D1, E3, E5, F3 - C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B2, C2
Terminal/Tray: 15324340/19
Core/Insulation Crimp: Pins B2 - See Terminal Repair Kit
Core/Insulation Crimp: Pins C2 - F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fuse Block - Underhood - C3

Pin	Wire Color	Circuit No.	Function
A1-A3	--	--	Not Used
A4	PK	1020	Ignition 0 Voltage (Diesel)
A5	RD/WH	440	Battery Positive Voltage
A6	PK	439	Ignition 1 Voltage (Diesel)
B1	L-GN	1624	Trailer Backup Lamps Supply Voltage (Cutaway/UY7)
B2	OG	1340	Battery Positive Voltage (UY7)
B2	OG	1340	Battery Positive Voltage (UY7)
B3-B5	--	--	Not Used
B6	D-GN/WH	1335	Right Rear Turn Signal Lamp Supply Voltage (Cutaway)
C1	D-GN	619	Right Rear Turn Signal Lamp Supply Voltage (Cutaway/UY7)
C2	D-BU	47	Trailer Auxiliary Supply Voltage (UY7)
C5	GY	120	Fuel Pump Supply Voltage (Gas)
C5	L-GN	1058	Fuel Pump Supply Voltage (Diesel)
C6	YE/BK	1334	Left Rear Turn Signal Lamp Supply Voltage (Cutaway)
D1	BN	2109	Trailer Park Lamps Supply Voltage (Cutaway/UY7)
D2	YE	618	Left Rear Turn Signal Lamp Supply Voltage (Cutaway/UY7)
D5-D6	--	--	Not Used
E1	BN	441	Ignition 3 Voltage
E2	--	--	Not Used
E3	PK	1739	Ignition 1 Voltage (Diesel)
E4	--	--	Not Used
E5	D-BU/WH	149	Courtesy Lamp Supply Voltage (Cutaway)
E6	--	--	Not Used
F1	PU	420	TCC Brake Switch/Cruise Control Release Signal
F2	--	--	Not Used
F3	WH	17	Stop Lamp Switch Signal (Cutaway)
F4-F6	--	--	Not Used

Fuse Block - Underhood - C4

Connector Part Information

OEM: 15326952
Service: 15306426
Description: 16-Way F 280 Series (BK)

Terminal Part Information

Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins A-E, J-M, S - E/A
Core/Insulation Crimp: Pins F, N-R - 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood - C4

Pin	Wire Color	Circuit No.	Function
A	TN/WH	1704	Low Reference (DF5)
B	D-GN/WH	636	Ambient Air Temperature Sensor Signal (DF5)
C-D	--	--	Not Used
E	YE	712	Left Headlamp Low Beam Supply Voltage
F	TN/WH	312	Right Headlamp Low Beam Supply Voltage
G-H	--	--	Not Used
J	BN	2309	Front Park Lamps Supply Voltage
K	BN	2309	Front Park Lamps Supply Voltage
L	BN	2309	Front Park Lamps Supply Voltage
M	BN	2309	Front Park Lamps Supply Voltage
N	L-BU	2114	Left Front Turn Signal Lamps Supply Voltage
P	D-BU	2115	Right Front Turn Signal Lamps Supply Voltage
R	L-GN/BK	311	Right Headlamp High Beam Supply Voltage
S	D-GN/WH	711	Left Headlamp High Beam Supply Voltage

Fuse Block - Underhood - C5

Connector Part Information

OEM: 12193696
Service: 15306413
Description: 2-Way F MaxiFuse (BN)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - C5

Pin	Wire Color	Circuit No.	Function
A	RD/BK	342	Battery Positive Voltage
B	RD/BK	142	Battery Positive Voltage

Fuse Block - Underhood - C6

Connector Part Information

OEM: 12193694
Service: 15306412
Description: 2-Way F MaxiFuse (L-GY)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - C6

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	RD/BK	542	Battery Positive Voltage

Fuse Block - Underhood - C7

Connector Part Information

OEM: 12193693
Service: 15306393
Description: 2-Way F MaxiFuse (BK)

Terminal Part Information

Pins: A (JL4)
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Pins: A (w/o JL4)
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: F/G
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood - C7

Pin	Wire Color	Circuit No.	Function
A	RD/BK	642	Battery Positive Voltage (w/o JL4)
A	RD	442	Battery Positive Voltage (JL4)
B	--	--	Not Used

Fuse Block - Body Label

Fuse Block - Body - Label Usage

No.	Device	Rating	Description
1	SPARE Fuse	--	Not Used
2	OSRVM Fuse	10A	Outside Rearview Mirror Switch (DE5/DE7)
3	CTSY LAMP/SEO Fuse	15A	CTSY LAMP Relay (YF7)
4	LT REAR STOP/TRN Fuse	10A	Tail/Stop and Turn Signal Lamp - Left
5	REAR DR LCKS Fuse	10A	CARGO UNLCK Relay(Passenger/Cargo w/AU3)
6	RT REAR STOP/TRN Fuse	10A	Tail/Stop and Turn Signal Lamp - Right
7	DR LCKS Fuse	10A	DRV UNLCK Relay (AU3)
8	STOP/CHMSL Fuse	10A	Center High Mounted Stop Lamp (CHMSL) - Passenger/Cargo, Cruise Control Module (CCM) - Gas w/K34, Throttle Actuator Control Module (TCM) - JL4, Transmission Control Module and Engine Control Module (ECM) - Diesel
9	HVAC 1 Fuse	10A	HVAC Control Assembly (C49/DE5/DE7), Air Temperature Actuator, HVAC Control Processor, Auxiliary Bower Motor Relays and Air/Mode Actuators (C69)
10	HVAC Fuse	20A	HVAC Control Assembly, Vacuum Pump - Diesel
11	BRK Fuse	10A	Electronic Brake Control Module (EBCM), High Idle Switch - UF3, Traction Control Switch - JL4
12	HTD MIR/DEFOG Fuse	30A	REAR DEFOG Relay (C49)
13	REAR BLWR Fuse	30A	Low/Med/High Speed Blower Motor Relays - Auxiliary (C36/C69) or C409 (ENC)
14	DRV PWR TRN MIR Fuse	10A	Outside Rearview Mirror - Driver (DE7) or C405 (Cutaway)
15	DR LCK Fuse	20A	DR LCKS Relay (AU3)
16	UPFTR PRK LAMPS Fuse	10A	C320 - Upfitter Wiring Harness (YF7)
17	--	--	Not Used
18	LT REAR PRK Fuse	10A	Tail/Stop and Turn Signal Lamp - Left and License Lamp
19	PASS TRN MIR Fuse	10A	Outside Rearview Mirror - Passenger (DE7) and C405 (Cutaway)
20	RT REAR PRK Fuse	10A	Tail/Stop and Turn Signal Lamp - Right
21	TRLR PRK Fuse	15A	Trailer Wiring Harness - (UY7) or C405 (Cutaway)
22	FRT PRK Fuse	10A	Inflatable Restraint I/P Module Disable Switch, Park/Turn signal Lamps - LF/RF and Marker Lamps - LF/RF
23	RAP Relay	--	PWR WNDW Circuit Breaker (A31)
24	AUX Relay	--	Upfitter Wiring Harness - C222 and C321 (YF7)
25	REAR DEFOG Relay	--	Rear Window Defogger Grid - Left/Right (C49)
26	CTSY LAMP Relay	--	C320, C405 w/Cutaway (YF7)
27	CARGO UNLCK Relay	--	Door Latch Assembly - Cargo (Passenger/Cargo w/AU3)
28	DRV UNLCK Relay	--	Door Latch Assembly - Driver (AU3)
29	PARK LAMP Relay	--	FRT PRK, LT REAR PRK, RT REAR PRK, TRLR PRK and UPFTR PRK LAMPS Fuses
30	DR/LCKS Relay	--	Door Latch Assembly - Driver/Passenger/Cargo and Door Lock Actuators - LR/RR (AU3)
31	PASS UNLCK Relay	--	Door Latch Assembly - Passenger and Door Lock Actuators - LR/RR (AU3)
32	AUX 1 Fuse	50A	Upfitter Wiring Harness - C222, C321 (YF7)
32	AUX 1 Fuse	60A	EBCM (JL4)
33	AUX 2 Fuse	50A	AUX Relay (YF7)
33	AUX 2 Fuse	20A	AUX Relay (SEO)
34	PWR WNDW Circuit Breaker	25A	Window Switch - Driver/Passenger (A31)

Fuse Block - Body Top View

Fuse Block - Body Bottom View

Fuse Block - Body - C1

Connector Part Information

OEM: 15319896
Service: 15319896
Description: 68-Way F Metri-Pack 280 Series Flexlock (BK)

Terminal Part Information

Pins: A1-A11, B1-B7, B12, C1-C12, D4-D12, E4, E6, E12, F1, F2, F9, F10
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A1, A5, B1, B4, B12, C4, E6, F2 - C/A
Core/Insulation Crimp: Pins A4, A11, B7, C8, C12, D4-D12, E4, E12, F1, F9, F10 - E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A12, E8
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: B8, D2, E1, F3
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: E2, F7
Terminal/Tray: 12110842/4
Core/Insulation Crimp: Pins E2 - See Terminal Repair Kit
Core/Insulation Crimp: Pins F7 - A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Body - C1

Pin	Wire Color	Circuit No.	Function
A1	BN	2109	Trailer Park Lamps Supply Voltage (Cutaway/UY7)
A2-A3	--	--	Not Used
A4	L-GN	1391	Driver Door Unlock Relay Control (AU3)
A5	D-BU/WH	149	Courtesy Lamp Supply Voltage (w/o YF7)
A5	D-BU/WH	149	Courtesy Lamp Supply Voltage (Cutaway)
A6-A10	--	--	Not Used
A11	D-BU	245	Door Lock Relay Control (AU3)
A12	RD/WH	3540	Battery Positive Voltage
B1	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage (Passenger/Cargo)
B1	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage (UY7)
B2-B3	--	--	Not Used
B4	WH	17	Stop Lamp Switch Signal (Passenger/Cargo)
B4	WH	17	Stop Lamp Switch Signal (Except Cutaway w/Gas)
B5-B6	--	--	Not Used
B7	L-BU	1344	Cargo Door Unlock Relay Control (AU3)
B8	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage (DE7)
B9-B11	--	--	Not Used
B12	WH	193	Rear Defog Relay Control (C49/DE5/DE7)
C1-C3	--	--	Not Used
C4	BN	141	Ignition 3 Voltage
C4	BN	141	Ignition 3 Voltage (Diesel)
C5	--	--	Not Used
C8	L-BU	244	Passenger Door Lock Unlock Relay Control (AU3)
C9-C11	--	--	Not Used
C12	WH	194	Door Unlock Control (AU3)
D1	--	--	Not Used
D2	L-BU	1320	CHMSL Supply Voltage (Passenger/Cargo w/UY7)
D2	L-BU	1320	CHMSL Supply Voltage (Except 4.3L w/o K34)
D3	--	--	Not Used
D4	BN	441	Ignition 3 Voltage
	BN	441	Ignition 3 Voltage (JL4)
	BN	441	Ignition 3 Voltage (Diesel)
D5-D8	--	--	Not Used
D9	GY/BK	690	Courtesy Lamp High Control (YF7)
D10-D11	--	--	Not Used
D12	BN/WH	230	Instrument Panel Lamps Dimming Control
E1	BN	2309	Front Park Lamps Supply Voltage
E1	BN	2309	Front Park Lamps Supply Voltage (Heavy Duty w/Gas) (Early Production Only)
E2	YE	18	Left Rear Stop/Turn Lamp Supply Voltage (Passenger/Cargo)
E2	YE	18	Left Rear Stop/Turn Lamp Supply Voltage (UY7)
E3	--	--	Not Used
E4	WH	1080	Park Lamp Relay Control
E5	--	--	Not Used
E6	D-GN/WH	1335	Right Rear Turn Signal Lamp Supply Voltage (Cutaway)
E7	--	--	Not Used
E8	OG	300	Ignition 3 Voltage
E9-E11	--	--	Not Used
E12	L-BU	195	Door Lock Control (AU3)
F1	TN	755	RAP Relay Coil Control (A31)
F2	YE/BK	1334	Left Rear Turn Signal Lamp Supply Voltage (Cutaway)
F3	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage (DE7)
F4-F6	--	--	Not Used
F7	BK	350	Ground
F8	--	--	Not Used
F9	BN	341	Ignition 3 Voltage (C49/DE5/DE7)
F10	BN	341	Ignition 3 Voltage
F11-F12	--	--	Not Used

Fuse Block - Body - C2

Connector Part Information

OEM: 15319894
Service: 15319894
Description: 68-Way F Metri-Pack 280 Series Flexlock (WH)

Terminal Part Information

Pins: A1, C8, D8, E11, E12, F11, F12
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: A2-A4, A10, B1-B7, B10, C1-C5, D1, E7-E10, F1, F2,
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A2, A3, B2, C1, D1, E7, F1, F2 - E/A
Core/Insulation Crimp: Pins A4, A10, B5, B7, B10, C4, C5, E8, E10 - C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A8, D5
Terminal/Tray: 12110842/4
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A11, A12, B8, B12, C9, C12, D2, D12, E2
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Body - C2

Pin	Wire Color	Circuit No.	Function
A1	RD/WH	1740	Battery Positive Voltage (C36/C69/ENC)
A2	OG	4340	Battery Positive Voltage (DE5/DE7)
A3	D-GN/WH	1335	Right Mirror Turn Signal Lamp Supply Voltage (DE7)
A4	D-GN	619	Right Rear Turn Signal Lamp Supply Voltage (Passenger/Cargo)
A5-A7	--	--	Not Used
A8	WH	193	Rear Defog Relay Supply Voltage (DE5/DE7)
A8	WH	193	Rear Defog Relay Supply Voltage (DE5/DE7)
A9	--	--	Not Used
A10	TN	294	Door Lock Actuator Unlock Control (AU3)
A11	BN/WH	230	Instrument Panel Lamps Dimming Control (AU3/A31)
A11	BN/WH	230	Instrument Panel Lamps Dimming Control (AU3/A31)
A12	BN/WH	230	Instrument Panel Lamps Dimming Control (C36/ENC)
B1	--	--	Not Used
B2	YE/BK	1334	Left Mirror Turn Signal Lamp Supply Voltage (DE7)
B3-B4	--	--	Not Used
B5	TN/BK	1095	Right Rear Door Lock Actuator Unlock Control (AU3)
B6	--	--	Not Used
B7	GY	295	Door Lock Actuator Lock Control (AU3)
B7	GY	295	Door Lock Actuator Lock Control (AU3)
B8	L-BU	195	Door Lock Control (AU3)
B8	L-BU	195	Door Lock Control (AU3)
B9	--	--	Not Used
B10	TN	294	Door Lock Actuator Unlock Control (AU3 w/E26)
B11	--	--	Not Used
B12	BN/WH	230	Instrument Panel Lamps Dimming Control (C69)
C1	BN	2609	Right Rear Park Lamps Supply Voltage (Passenger/Cargo)
C2-C3	--	--	Not Used
C4	YE	618	Left Rear Turn Signal Lamp Supply Voltage (Passenger/Cargo)
C5	GY	295	Door Lock Actuator Lock Control (AU3 w/E26)
C8	PU	293	Rear Defog Element Supply Voltage (C49)
C9	L-BU	195	Door Lock Control (AU3)
C10-C11	--	--	Not Used
C12	WH	194	Door Unlock Control (AU3)
C12	WH	194	Door Unlock Control (AU3)
D1	BN	2209	Rear Park Lamps Supply Voltage (YF7)
D2	BN	341	Ignition 3 Voltage (C69)
D3-D4	--	--	Not Used
D5	GY	295	Door Lock Actuator Lock Control (AU3)
D5	GY	295	Door Lock Actuator Lock Control (AU3)
D8	PU	293	Rear Defog Element Supply Voltage (C49)
D9-D11	--	--	Not Used
D12	WH	194	Door Unlock Control (AU3)
E1	--	--	Not Used
E2	BN	341	Ignition 3 Voltage (C36/C69/ENC)
E3-E6	--	--	Not Used
E7	D-BU/WH	149	Courtesy Lamp Supply Voltage
E7	D-BU/WH	149	Courtesy Lamp Supply Voltage (Cargo w/o YF7)
E8	TN	694	Driver Door Lock Actuator Unlock Control (AU3)
E9	--	--	Not Used
E10	TN	294	Door Lock Actuator Unlock Control (AU3)
E11	D-GN	1001	RAP Fuse Supply Voltage (A31)
E12	RD/WH	3540	Battery Positive Voltage (AG1/AG2)
F1	BN	2509	Left Rear Park Lamps Supply Voltage (Passenger/Cargo)
F2	L-BU	1320	CHMSL Supply Voltage (Passenger/Cargo)
F3-F10	--	--	Not Used
F11	D-GN	1001	RAP Fuse Supply Voltage (A31)
F12	RD/WH	3540	Battery Positive Voltage (AG1/AG2)

Fuse Block - Body - C4 (YF7/YF1)

Connector Part Information

OEM: 12193693
Service: 15306393
Description: 2-Way F MaxiFuse (BK)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Body - C4 (YF7/YF1)

Pin	Wire Color	Circuit No.	Function
A	BN	541	Ignition 3 Voltage
B	RD/BK	1042	Battery Positive Voltage (w/o PRP)
B	RD	1042	Battery Positive Voltage (PRP)

Fuse Block - Body - C5

Connector Part Information

OEM: 12193694
Service: 15306412
Description: 2-Way F MaxiFuse (L-GY)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Body - C5

Pin	Wire Color	Circuit No.	Function
A	RD	4042	Battery Positive Voltage (JL4)
A	RD/BK	1042	Battery Positive Voltage (YF7)
B	BN	541	Ignition 3 Voltage (YF7)

Fuse Block - Rear (PRP) - Top View

Fuse Block - Rear (PRP) - Fuse Applications

No.	Device	Rating	Description
1	Access Panel Relay - Left Side Rear	--	Access Panel Latches - Left Side Rear
2	Dome Fluorescent Work Lamps Fuse	10	Dome Fluorescent Work Lamps (UF2)
3	Panel Actuator Fuse	15	Access Panel Relays
4	--	--	Not Used
5	Access Panel Relay - Left Side Front	--	Access Panel Latches - Left Side Front
6	Access Panel Relay - Right Side	--	Access Panel Latches - Right Side

Fuse Block - Rear (PRP) Bottom View

Connector Part Information

OEM: 63995
Service: See Catalog
Description: 21-Way F Fuse Block (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Rear (PRP) Wire Entry

Pin	Wire Color	Circuit No.	Function
1	OG	740	Battery Positive Voltage
2	TN	294	Access Panel Left Front Side Lock Actuators Unlock Control
3	L-BU	195	Access Panel Left Side Front Relay Control
4	--	--	Not Used
5	OG	740	Battery Positive Voltage
6	OG	740	Battery Positive Voltage
7	PK	1092	Access Panel Left Rear Side Lock Actuators Unlock Control
8	L-GN	1391	Access Panel Left Side Rear Relay Control
9	--	--	Not Used
10	OG	740	Battery Positive Voltage
11	OG	740	Battery Positive Voltage
12	TN/BK	1095	Access Panel Right Side Lock Actuators Unlock Control
13	L-BU	1344	Access Panel Right Side Relay Control
14	--	--	Not Used
15	OG	740	Battery Positive Voltage
16	RD	1042	Battery Positive Voltage (UF2)
17	OG	840	Battery Positive Voltage (UF2)
18	RD	1042	Battery Positive Voltage
19	OG	740	Battery Positive Voltage
20-21	--	--	Not Used