Electrical Center Identification Views Label
| Table 1: | Underhood Fuse Block Details (Base Pickup) |
| Table 2: | Underhood Fuse Block Details (Uplevel Pickup) |
| Table 3: | Underhood Fuse Block Details (Uplevel Utility) |
| Table 4: | Underhood Fuse Block Details (Envoy) |
| Table 5: | IP Fuse Block Detail |
Underhood Fuse Block Details (Base Pickup)
Fuse/Circuit Breaker | Rating | Description |
|---|---|---|
MaxiFuses | ||
INT BATT | 50A | HDLP SW, AUX PWR, RDO BATT, CIGAR LTR, and CTSY LP Fuses |
ABS | 60A | Electronic Brake Control Module (EBCM) |
IGN B | 50A | Ignition and Start Switch |
RAP | 50A | Retained Accessory Power (RAP) Relay |
IGN A | 40A | Starter Relay and Ignition and Start Switch |
STUD #2 | 30A | Not Used |
Mini Fuses | ||
TRL TRN | 10A | Not Used |
LT TRN | 10A | Park and Turn Signal Lamp, LH Rear |
BTSI | 10A | Stoplamp Switch and Transfer Case Shift Control Module (w/ NP1) |
PARK LP | 20A | Park Lamp Relay, Headlamp Grounding Relay, and Headlamp Switch |
HVAC | 30A | Blower Motor Relay |
HAZ LP | 20A | Multifunction Switch (Hazard) |
TRR TRN | 10A | Not Used |
RT TRN | 10A | Park and Turn Signal Lamp, RH Rear |
TRCHMSL | 10A | Not Used |
VECHMSL | 10A | High Mount Stoplamp, and Cruise Control Module (CCM) |
TRL B/U | 10A | Not Used |
ECM I | 15A | Electronic Ignition Control Module (EICM), Powertrain Control Module (PCM) (2.2L only), Vehicle Control Module (VCM) (4.3L only), Crankshaft Position (CKP) Sensor, Central Sequential Fuel Injection (CSFI), Fuel Injectors 1-6 (4.3L only), and Ignition Coil (4.3L only) |
LD LEV | 25A | Not Used |
VEH B/U | 15A | Backup Lamps, RH/LH |
ENG I | 10A | Evaporative Emission Canister Purge Solenoid Valve (EVAP), Evaporative Emission Canister Control Valve (EVAP), Mass Air Flow (MAF) Sensor (4.3L), and Camshaft Position (CMP) Sensor (4.3L) |
OXYSEN | 20A | Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 1 Sensor 3 (4.3L only), Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (4.3L only) |
RR PRK | 10A | Rear License Plate Lamp, RH, Side Marker Lamp, RR, and Park and Turn Signal Lamp, RR |
ECM B | 20A | Fuel Pump Relay, Powertrain Control Module (PCM) (2.2L), Vehicle Control Module (VCM) (4.3L) |
B/U LP | 25A | Backup Lamp Switch (w/ M/T) or Park Neutral Position (PNP) and Backup Lamp Switch (w/ A/T) |
IGN E | 10A | A/C Compressor Relay, Secondary Air Injector Reactor (AIR) Relay (w/ California Emissions only) |
LR PRK | 10A | Rear License Plate Lamp, LH, Side Marker Lamp, LR, and Park and Turn Signal Lamp, LR |
RR DEFOG | 30A | Not Used |
TRL PRK | 10A | Not Used |
LT HDLP | 15A | Headlamp, LH Low Beam, and Daytime Running Lamp (DRL) Relay |
HTD MIR | 10A | Not Used |
RT HDLP | 15A | Headlamp, RH Low Beam, and Headlamp, RH High Beam |
MIR/LKS | 3A | Outside Rear View Mirror Switch, Door Lock and Side Window Switch, LH/RH |
ATC | 20A | Transfer Case Shift Control Module |
A/C | 10A | Not Used |
FOG LP | 15A | Daytime Running Lamps (DRL) Relay |
TBC | 10A | Body Control Module (BCM) and Multifunction Switch (Flash to Pass) |
RT TURN | 10A | Park and Turn Signal Lamp, RH, and Side Marker Lamp, RF |
CRANK | 10A | Transfer Case Shift Control Module, Clutch Pedal Position Switch (M/T Only), and Park/Neutral Position (PNP) and Backup Lamp Switch (A/T Only) |
LT TURN | 10A | Park and Turn Signal Lamp, LH, Side Marker Lamp, LF |
FR PRK | 10A | Park and Turn Signal Lamps, LH/RH, Side marker Lamps, LF/RF |
W/W PMP | 10A | Not Used |
IGN C | 20A | Ignition and Start Switch |
STOP LP | 20A | Stoplamp Switch and High Mount Stoplamp (CHMSL) Relay |
HDLP W/W | 15A | Not Used |
HORN | 15A | Horn, LH/RH |
HTD SEAT | 20A | Not Used |
RR W/W | 15A | Not Used |
Micro Relays | ||
F/PUMP | -- | Fuel Pump and Fuel Injectors (2.2L) |
DRL | -- | Headlamp, LH High Beam |
LIFT GLASS | -- | Not Used |
A/C | -- | Not Used |
FOG LP | -- | Not Used |
HORN | -- | HORN Fuse |
CHMSL | -- | Multifunction Switch supplies the LT TURN, RT TURN, RT TRN, and LT TRN fuses |
Mini Relays | ||
STARTER | -- | Starter Solenoid (Coil) |
RR DEFOG | -- | Not Used |
HDLP PWR | -- | RT HDLP, and LT HDLP fuses |
Underhood Fuse Block Details (Uplevel Pickup)
Fuse/Circuit Breaker | Rating | Description |
|---|---|---|
MaxiFuses | ||
INT BATT | 50A | HDLP SW, AUX PWR, RDO BATT, CIGAR LTR, CTSY LP, and PWR LKS Fuses |
ABS | 60A | Electronic Brake Control Module (EBCM) |
IGN B | 50A | Ignition and Start Switch |
RAP | 50A | Retained Accessory Power (RAP) Relay |
IGN A | 40A | Starter Relay and Ignition Switch |
STUD #2 | 30A | Not Used |
Mini Fuses | ||
TRL TRN | 10A | Not Used |
LT TRN | 10A | Park and Turn Signal Lamp, LH Rear |
BTSI | 10A | Stoplamp Switch, and Transfer Case Shift Control Module (w/ NP1) |
PARK LP | 20A | Park Lamp Relay, Headlamp Grounding Relay, and Headlamp Switch |
HVAC | 30A | Blower Motor Relay |
HAZ LP | 20A | Multifunction Switch (Hazard) |
TRR TRN | 10A | Not Used |
RT TRN | 10A | Park and Turn Signal Lamp, RH Rear |
TRCHMSL | 10A | Not Used |
VECHMSL | 10A | High Mount Stoplamp, and Cruise Control Module (CCM) |
TRL B/U | 10A | Not Used |
ECM I | 15A | Ignition Control Module (ICM), Powertrain Control Module (PCM) (2.2L only), Vehicle Control Module (VCM) (4.3L only), Crankshaft Position (CKP) Sensor, Fuel Injectors 1-6 (4.3L only), and Ignition Coil (4.3L only) |
LD LEV | 25A | Not Used |
VEH B/U | 15A | Backup Lamps, RH/LH |
ENG I | 10A | Evaporative Emission Canister Purge Solenoid Valve (EVAP), Evaporative Emission Canister Control Valve (EVAP), Mass Air Flow (MAF) Sensor (4.3L), and Camshaft Position (CMP) Sensor (4.3L) |
OXYSEN | 20A | Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1, Heated Oxygen Sensor (HO2S) Bank 1, Sensor 3 (4.3L only), Heated Oxygen Sensor (HO2S) Bank 2, Sensor 1 (4.3L only) |
RR PRK | 10A | Rear License Plate Lamp, RH, Side Marker Lamp, RR, and Park and Turn Signal Lamp, RR |
ECM B | 20A | Fuel Pump Relay, Powertrain Control Module (PCM) (2.2L), or Vehicle Control Module (VCM) (4.3L) |
B/U LP | 25A | Park Neutral Position (PNP) and Backup Lamp Switch |
IGN E | 10A | A/C Compressor Relay, Secondary Air Injection Reactor (AIR) Relay (w/ California Emissions only) and Rear Defogger Relay |
LR PRK | 10A | Rear License Plate Lamp, LH, Side Marker Lamp, RR, and Park and Turn Signal Lamp, LR |
RR DEFOG | 30A | Not Used |
TRL PRK | 10A | Not Used |
LT HDLP | 15A | Headlamp, LH Low Beam, and Daytime Running Lamp (DRL) Relay |
HTD MIR | 10A | Outside Rear View Mirror, LH/RH (Heating Element) |
RT HDLP | 15A | Headlamp, RH Low Beam, and Headlamp, RH High Beam |
MIR/LKS | 3A | Outside Rear View Mirror Switch, Door Lock and Side Window Switch, LH/RH |
ATC | 20A | Transfer Case Shift Control Module, and Transfer Case Encoder Motor (w/o NP1) |
A/C | 10A | A/C Compressor Relay |
FOG LP | 15A | Fog Lamp Relay, and Daytime Running Lamps (DRL) Relay |
TBC | 10A | Body Control Module (BCM), Remote Control Door Lock Receiver, and Multifunction Switch (Flash to Pass ) |
RT TURN | 10A | Park and Turn Signal Lamp, RH, Side Marker Lamp, RF |
CRANK | 10A | Transfer Case Shift Control Module, Clutch Pedal Position Switch (M/T Only), and Park/Neutral Position (PNP) and Backup Lamp Switch (A/T Only) |
LT TURN | 10A | Park and Turn Signal Lamp, LH, Side Marker Lamp, LF |
FR PRK | 10A | Park and Turn Signal Lamp, LH/RH, Side marker Lamps, LH/RH |
W/W PMP | 10A | Not Used |
IGN C | 20A | Ignition and Start Switch |
STOP LP | 20A | Stoplamp Switch and High Mount Stoplamp (CHMSL) Relay |
HDLP W/W | 15A | Not Used |
HORN | 15A | Horn, LH/RH |
HTD SEAT | 20A | Not Used |
RR W/W | 15A | Not Used |
Micro Relays | ||
F/PUMP | -- | Fuel Pump, and Fuel Injectors (2.2L) |
DRL | -- | Headlamp, LH High Beam |
LIFT GLASS | -- | Not Used |
A/C | -- | A/C Compressor |
FOG LP | -- | Fog Lamps and Fog Lamp Switch |
HORN | -- | HORN fuse |
CHMSL | -- | Multifunction Switch supplies the LT TURN, RT TURN, RT TRN, and LT TRN Fuses |
Mini Relays | ||
STARTER | -- | Starter Solenoid (Coil) |
RR DEFOG | -- | HTD MIR Fuse |
HDLP PWR | -- | RT HDLP, and LT HDLP fuses |
Underhood Fuse Block Details (Uplevel Utility)
Fuse/Circuit Breaker | Rating | Description |
|---|---|---|
MaxiFuses | ||
INT BATT | 50A | HDLP SW, AUX PWR, RDO BATT, CIGAR LTR, CTSY LP, and PWR LKS Fuses, and AMPF Fuse (w/ Premium Audio) |
ABS | 60A | Electronic Brake Control Module (EBCM) |
IGN B | 50A | Ignition and Start Switch |
RAP | 50A | Retained Accessory Power (RAP) Relay, POWER SEATS Circuit Breaker (w/ Power Seats) |
IGN A | 40A | Starter Relay and Ignition and Start Switch |
STUD #2 | 30A | Trailer Wiring Provision (Power Aux) |
Mini Fuses | ||
TRL TRN | 10A | Trailer Wiring Provision (LP - Stop, T/Sig - LH) |
LT TRN | 10A | Upper and Lower Park and Turn Signal Lamp, LR, Turn Signal Lamp, LR (Export) |
BTSI | 10A | Stoplamp Switch, Transfer Case Shift Control Module (w/ NP1), and Automatic Transmission Shift Lock Solenoid (w/ Floor Shift A/T Only) |
PARK LP | 20A | Park Lamp Relay, Headlamp Grounding Relay, and Headlamp Switch |
HVAC | 30A | Blower Motor Relay (w/o Electronic Climate Control), Blower Motor Control Module (w/ Electronic Climate Control) |
HAZ LP | 20A | Multifunction Switch (Hazard) |
TRR TRN | 10A | Trailer Wiring Provision (LP - Stop, T/Sig - RH |
RT TRN | 10A | Upper and Lower Park and Turn Signal Lamp, RR, Turn Signal Lamp, RR (Export) |
TRCHMSL | 10A | Trailer Wiring Provision (LP - High MT Stop) |
VECHMSL | 10A | High Mount Stoplamp, High Mount Stoplamp Resistor, Cruise Control Module (CCM), and Tail and Stoplamp, LH/RH (Export) |
TRL B/U | 10A | Trailer wiring Provision (LP-B/U) |
ECM I | 15A | Electronic Ignition Control Module (EICM), Vehicle Control Module (VCM), Crankshaft Position (CKP) Sensor, Central Sequential Fuel Injection (CSFI), Fuel Injectors 1-6, and Ignition Coil |
LD LEV | 25A | Not Used |
VEH B/U | 15A | Backup Lamp, RH/LH, Inside Rear View Mirror (w/ Automatic Day - Night Mirror Only) |
ENG I | 10A | Evaporative Emission Canister Purge Solenoid Valve (EVAP), Evaporative Emission Canister Control Valve (EVAP), Mass Air Flow (MAF) Sensor, and Camshaft Position (CMP) Sensor |
OXYSEN | 20A | Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1, Heated Oxygen Sensor (HO2S) Bank 1, Sensor 3, Heated Oxygen Sensor (HO2S) Bank 2, Sensor 1 |
RR PRK | 10A | Upper and Lower Park and Turn Signal Lamps, RR (Domestic), Tail and Stoplamp, RH (Export) |
ECM B | 20A | Fuel Pump Relay and Vehicle Control Module (VCM) |
B/U LP | 25A | Backup Lamp Switch (w/ M/T) and Park Neutral Position (PNP) and Backup Lamp Switch (w/ A/T) |
IGN E | 10A | A/C Compressor Relay, Secondary Air Injection Reactor (AIR) Relay (w/ California Emissions only), Rear Defogger Relay, Headlamp Leveling Switch (Export), and Headlamp Leveling Actuator Motor, LH/RH (Export), Automatic Level Control Sensor and Compressor (Envoy) |
LR PRK | 10A | Upper and Lower Park and Turn Signal Lamps, LR (Domestic) and Tail and Stoplamp, LH (Export) |
RR DEFOG | 30A | Rear Window Defogger Grid |
TRL PRK | 10A | Rear License Plate Lamps, LH/RH, Rear License Plate Lamp, Center (Export), and Trailer Wiring Provisions (LP Park) |
LT HDLP | 15A | Daytime Running Lamps (DRL) Relay and Headlamp, LH Low Beam |
HTD MIR | 10A | Outside Rearview Mirror, RH/LH (Heating Element) |
RT HDLP | 15A | Headlamp, RH Low Beam, and Headlamp, RH High Beam |
MIR/LKS | 3A | Outside Rear View Mirror Switch, Door Lock and Side Window Switch, LH/RH, Lift Glass Relay, Liftgate or Endgate lock cylinder Switch |
ATC | 20A | Transfer Case Shift Control Module, and Transfer Case Encoder Motor (w/o NP1) (Except Bravada) |
A/C | 10A | A/C Compressor Relay |
FOG LP | 15A | Fog Lamp Relay, and Daytime Running Lamps (DRL) Relay |
TBC | 10A | Body Control Module (BCM), Remote Control Door Lock Receiver, and Multifunction Switch (Flash to Pass ) |
RT TURN | 10A | Park and Turn Signal Lamp, RH, Side Marker Lamp, RF, Auxiliary Side Front Turn Signal (Export) |
CRANK | 10A | Transfer Case Shift Control Module, Clutch Pedal Position Switch (M/T Only), and Park/Neutral Position (PNP) and Backup Lamp Switch (A/T Only) |
LT TURN | 10A | Park and Turn Signal Lamp, LH, Side Marker Lamp, LF, Auxiliary Side Front Turn Signal (Export) |
FR PRK | 10A | Park and Turn Signal Lamp, LH/RH (Domestic), Side Marker Lamp, LF/RF, Headlamp Washer Pump Relay (Export) |
W/W PMP | 10A | Headlamp Washer Pump Relay (Export Only) |
IGN C | 20A | Ignition and Start Switch |
STOP LP | 20A | Stoplamp Switch |
HDLP W/W | 15A | Headlamp Washer Pump Relay (Export Only) |
HORN | 15A | Horn, LH/RH |
HTD SEAT | 20A | Seat Heater Module, LH/RH (w/ Heated Seats), Lumbar Switch, RH, LH (w/ Heat and Lumbar) |
RR W/W | 15A | Rear Window Wiper Motor |
Micro Relays | ||
F/PUMP | -- | Fuel Pump |
DRL | -- | Headlamp, LH High Beam |
LIFT GLASS | -- | Liftgate/Endgate Window Release Actuator |
A/C | -- | A/C Compressor |
FOG LP | -- | Fog Lamps and Fog Lamp Switch |
HORN | -- | HORN fuse |
CHMSL | -- | Not Used |
Mini Relays | ||
STARTER | -- | Starter Solenoid (Coil) |
RR DEFOG | -- | RR DEFOG, and HTD MIR fuses |
HDLP PWR | -- | RT HDLP, and LT HDLP fuses |
Underhood Fuse Block Details (Envoy)
Fuse/Circuit Breaker | Rating | Description |
|---|---|---|
MaxiFuses | ||
INT BATT | 60A | HDLP SW, AUX PWR, RDO BATT, CIGAR LTR, CTSY LP, and PWR LKS Fuses, and AMPF Fuse (w/Premium Audio) |
ABS | 60A | Electronic Brake Control Module (EBCM) |
IGN B | 50A | Ignition and Start Switch |
RAP | 50A | Retained Accessory Power (RAP) Relay, POWER SEATS Circuit Breaker (w/Power Seats) |
IGN A | 40A | Starter Relay and Ignition and Start Switch |
STUD #2 | 30A | Trailer Wiring Provision (Power Aux) |
Mini Fuses | ||
TRL TRN | 10A | Trailer Wiring Provision (LP - Stop, T/Sig - LH) |
LT TRN | 10A | Upper and Lower Park and Turn Signal Lamp, LH Rear |
BTSI | 10A | Stoplamp Switch, and Automatic Transmission Shift Lock Solenoid |
PARK LP | 20A | Park Lamp Relay, and Headlamp Switch |
HVAC | 30A | Blower Motor Control Module |
HAZ LP | 20A | Multifunction Switch (Hazard) |
TRR TRN | 10A | Trailer Wiring Provision (LP - Stop, T/Sig - RH |
RT TRN | 10A | Upper and Lower Park and Turn Signal Lamp, RH Rear |
TRCHMSL | 10A | Trailer Wiring Provision (LP - High MT Stop) |
VECHMSL | 10A | High Mount Stoplamp, High Mount Stoplamp Resistor, and Cruise Control Module (CCM) |
TRL B/U | 10A | Trailer Wiring Provision (LP- B/U) |
ECM I | 15A | Electronic Ignition Control Module (EICM), Vehicle Control Module (VCM), Crankshaft Position (CKP) Sensor, Central Sequential Fuel Injection (CSFI), Fuel Injectors 1-6, and Ignition Coil |
LD LEV | 25A | Automatic Level Control Timer Relay, Automatic Level Control Air Compressor |
VEH B/U | 15A | Backup Lamps, RH/LH, Inside Rear View Mirror (w/ Automatic Day - Night Mirror Only) |
ENG I | 10A | Evaporative Emission Canister Purge Solenoid Valve (EVAP), Evaporative Emission Canister Control Valve (EVAP), Mass Air Flow (MAF) Sensor, and Camshaft Position (CMP) Sensor |
OXYSEN | 20A | Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1, Heated Oxygen Sensor (HO2S) Bank 1, Sensor 3, Heated Oxygen Sensor (HO2S) Bank 2, Sensor 1 |
HI BEAM | 20A | High Beam Relay |
RR PRK | 10A | Upper and Lower Park and Turn Signal Lamps, RH |
ECM B | 20A | Fuel Pump Relay, Vehicle Control Module (VCM) |
B/U LP | 25A | Park Neutral Position and Backup Lamp Switch |
IGN E | 10A | A/C Compressor Relay, Air Relay (w/ California Emissions only), Rear Defogger Relay, Daytime Running Lamps (DRL) Relay, Automatic Level Control Sensor, Automatic Level Control Air Compressor |
LR PRK | 10A | Upper and Lower Park and Turn Signal Lamps, LH |
RR DEFOG | 30A | Rear Window Defogger Grid |
TRL PRK | 10A | Rear License Plate Lamps, LH/RH, and Trailer Wiring Provision (LP Park) |
LT LOW | 20A | Headlamp Ballast, LH (HID) |
HTD MIR | 10A | Outside Rearview Mirror, RH/LH (Heating Element) |
RT LOW | 20A | Headlamp Ballast, RH (HID) |
MIR/LKS | 3A | Outside Rear View Mirror Switch, Door Lock and Side Window Switch, LH/RH, Lift Glass Relay, Liftgate Lock Cylinder Switch |
ATC | 20A | Transfer Case Shift Control Module |
A/C | 10A | A/C Compressor Relay |
FOG LP | 15A | Fog Lamp Relay |
TBC | 10A | Body Control Module (BCM), Remote Control Door Lock Receiver, and Multifunction Switch (Flash to Pass) |
RT TURN | 10A | Park and Turn Signal Lamp, RH, Side Marker Lamp, RF |
LT HI | 10A | Headlamp, LH High Beam |
CRANK | 10A | Transfer Case Shift Control Module and Park/Neutral Position and Backup Lamp Switch |
LT TURN | 10A | Park and Turn Signal Lamp, LH, Side Marker Lamp, LH |
FR PRK | 10A | Park and Turn Signal Lamps, LH/RH, Side Marker Lamps, LH/RH |
RT HI | 10A | Headlamp, RH High Beam |
IGN C | 20A | Ignition and Start Switch |
STOP LP | 20A | Stoplamp Switch |
HORN | 15A | Horn, LH/RH |
HTD SEAT | 20A | Seat Heater Module, LH/RH (w/Heated Seats), Lumbar Switch, RH/LH (w/ Heat and Lumbar) |
RR W/W | 15A | Rear Window Wiper Motor |
Micro Relays | ||
F/PUMP | -- | Fuel Pump |
DRL | -- | Headlamp, RH High Beam |
LIFT GLASS | -- | Liftgate Window Release Actuator |
A/C | -- | A/C Compressor |
FOG LP | -- | Fog Lamps and Fog Lamp Switch |
HORN | -- | HORN Fuse |
Mini Relays | ||
STARTER | -- | Starter Solenoid (Coil) |
RR DEFOG | -- | RR DEFOG, and HTD MIR fuses |
LOW BEAM | -- | RT LOW, and LT LOW fuses |
IP Fuse Block Detail
Fuse No. | Fuse/Circuit Breaker | Rating | Description |
|---|---|---|---|
1 | -- | -- | Not Used |
2 | CIGAR LTR | 15A | Cigar Lighter and Data Link Connector (DLC) |
3 | CRUISE | 10A | Body Control Module (BCM), Cruise Control Module (CCM), Multifunction Switch (Cruise Control Switch), and Lumbar Switch, LH/RH (Utility w/ Heated Seats, w/o Memory) |
4 | GAUGES | 10A | Body Control Module (BCM), and Instrument Cluster |
5 | PARK LP | 10A | Body Control Module (BCM), Outside Rear View Mirror Switch, Door Lock and Side Window Switch LH/RH, Side Window Lockout Switch, and Rear Seat Audio Control (Envoy only), IP Ashtray Lamp (Except Envoy) |
6 | STR WHL ILLUM | 2A | Redundant Steering Wheel Controls (Utility Only) |
7 | HDLP SW | 10A | Headlamp Switch |
8 | CTSY LP | 10A | Courtesy Lamps, LH/RH Console, Inadvertent Power Lamp Relay, and Transfer Case Shift Control Module (NP1) |
9 | HVAC | 20A |
Heater Controller (Non-A/C - w/o Electronic Climate Control) and Heater and A/C Controller (w/ A/C - w/o Electronic Climate Control) |
10 | TURN | 20A | Multifunction Switch (Hazard Switch) |
11 | CLSTR | 10A | Instrument Cluster, Powertrain Control Module (PCM) (2.2L), Vehicle Control Module (VCM) (4.3L), Automatic Transmission Shift Lock Solenoid (4.3L w/ Floor Shift A/T), and Automatic Transmission |
12 | ILLUM | 10A | Radio, Heater Controller (Non-A/C) (Pickup only), Heater and A/C Controller (w/ A/C), Electronic Climate Control (ECC) Module (Utility, w/ Auto A/C), Fog Lamp Switch, Rear Wiper/Washer and Endgate/Liftgate window Release Switch (Utility), Driver Information Display Module (Utility), Automatic Transmission Controller Indicator Lamp (Utility, w/ Floor Shift A/T), Automatic transmission Preference Switch (GMC Jimmy Only), Inflatable Restraint IP Module Switch (Pickup), Body Control Module (BCM), Transfer Case Select Switch, Instrument Cluster, and Headlamp Leveling Switch (Export) |
13 | AUX PWR | 20A | Accessories Power Outlet, LH/RH, Accessories Power Receptacle, Floor Console (Envoy), Accessories Power Receptacle, Rear (Envoy) |
14 | PWR LKS | 15A | Door Lock Relay, Door Unlock Relay, and Driver Door Unlock Relay (w/ Power Door Locks) |
15 | 4WD | 10A | Vehicle Control Module (VCM), Transfer Case Shift Control Module, Transfer Case Shift Control Switch (w/ NP1 or NP8), Front Drive Axle Clutch Solenoid (w/ NP1 or NP8), and Four Wheel Drive Indicator Switch (w/ NP1 or NP8) |
16 | SIR | 15A | Inflatable Restraint IP Module Switch (Pickup Only), and Inflatable Restraint Sensing and Diagnostic Module (SDM) |
17 | FRT WPR | 25A | Windshield Wiper Motor, and Multifunction Switch (Wiper Switch) |
18 | STR WHL RDO IGN | 2A | Redundant Steering Wheel Controls (Utility only) |
19 | RDO BATT | 15A | Radio, Instrument Cluster, Electronic Climate Control (ECC) Module (w/ ECC), Vehicle Interface unit (Envoy w/ ECC only), Remote Tape/CD Player, (Bravada w/ ECC only) |
20 | AMPF | 25A | Radio Speaker Amplifier (w/ Premium Audio) |
21 | HVAC I | 10A | Electric Actuator (Temperature), Heater Controller (Pickup), Heater and A/C Controller, Inside Rear View Mirror (Utility w/Automatic Day - Night Mirror), Electronic Climate Control (ECC) Module (Utility w/ ECC), Interior Air Temperature Sensor (Utility w/ ECC), HVAC Vacuum Control Solenoid Valve (Utility w/ECC) |
22 | ABS | 10A | Stoplamp Switch, and Electronic Brake Control Module (EBCM) |
23 | RR WPR | 15A | Rear Wiper/Washer Switch and Endgate/liftgate Window Release Switch (Utility only) |
24 | RDO IGN | 10A | Radio, Driver Information Display Module (Utility only), Rear Audio Module (Envoy only), Vehicle Interface Unit (VIU) (Envoy only), and Outside Rear View Mirror Switch (Envoy only) |
Electrical Center Identification Views Terminal Location Views
| Figure 1: |
Underhood Fuse Block (Except Envoy)
|
| Figure 2: |
Underhood Fuse Block (Envoy)
|
| Figure 3: |
Body Relay Block (Except Envoy)
|
| Figure 4: |
Body Relay Block (Envoy)
|
