GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Jimmy - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Body Control System Component Views
Figure 1:

Doors (RF Shown, LF Similar)
Object Number: 416725 Size: LF
(1)Door Lock Cylinder Switch Connector, RH
(2)Door Handle Switch Connector, RH
(3)Door Lock Actuator Connector, RH
(4)Door Lock Actuator, RH
(5)Side Window Regulator Motor and Connector, RH
(6)Splice S502 (LH)
(7)Splice S601 (RH), S501 (LH)
(8)Door Speaker Connector, RH
(9)C601 (RH), C500 (LH)
(10)C501 (LH)
(11)P600 (RH), P500 (LH)
(12)Outside Rear View Mirror Connector, RH
Figure 2:

Instrument Panel, LH (RH Similar)
Object Number: 357144 Size: LF
(1)Headlamp Switch Connector
(2)Fog Lamp Switch Connector
(3)Headlamp Switch
(4)Door Jamb Switch, LH Front
(5)IP Fuse Block
(6)S204
(7)C217
(8)Courtesy Lamp, LH Console
(9)Body Relay Block
(10)S223
(11)IP Speaker, LH
Figure 3:

Instrument Panel Details, RH
Object Number: 357162 Size: MF
(1)Heater Controls
(2)C200
(3)C203
(4)Instrument Panel (IP)
(5)Body Control Module (BCM)
(6)Body Control Module (BCM), Connector C1
(7)Body Control Module (BCM), Connector C2
(8)Body Control Module (BCM), Connector C3
Figure 4:

Body Control Module Details
Object Number: 384271 Size: LF
(1)HVAC Assembly
(1)HVAC Assembly
(2)Body Control Module
Figure 5:

Rear Door Wiring Harness (RH Shown, LH Opposite)-Door Jamb Switch
Object Number: 357306 Size: LF
(1)Side Door Jamb Switch, RH Rear (LH Opposite)
(2)Door
Figure 6:

Liftgate Location View RH (Utility)
Object Number: 357355 Size: MF
(1)C433
(2)P902
(3)C428
(4)C429
(5)Rear Window Washer Tube Check Valve Connector
(6)Lift Gate Window Release Actuator Connector
(7)Rear Window Wiper Cutout And Liftglass Ajar Jamb Switch
(8)Rear Window Washer Nozzle
(9)Liftgate Ajar Jamb Switch
(10)Rear Window Wiper Motor Controller
Figure 7:

Body Relay Block
Object Number: 390261 Size: LF
(1)Park Lamp Relay
(2)Courtesy Lamp Relay
(3)Retained Accessory Power (RAP) Relay
(4)Power Seats Circuit Breaker
(5)Power Windows Circuit Breaker
(6)Inadvertent Power Relay
(7)Door Lock Relay
(8)Headlamp Ground Relay
(9)Driver Door Unlock Relay
(10)Door Unlock Relay
Figure 8:

Body Relay Block (Envoy Only)
Object Number: 390261 Size: LF
(1)Park Lamp Relay
(2)Courtesy Lamp Relay
(3)Retained Accessory Power (RAP) Relay
(4)Power Seats Circuit Breaker
(5)Power Windows Circuit Breaker
(6)Inadvertent Power Relay
(7)Door Lock Relay
(8)High Beam Relay
(9)Driver Door Unlock Relay
(10)Door Unlock Relay
Figure 9:

Instrument Panel Fuse Block (Label)
Object Number: 389623 Size: MF
Figure 10:

Underhood Fuse Block Label
Object Number: 389615 Size: MF
Figure 11:

Underhood Fuse Block Label (Envoy Only)
Object Number: 389616 Size: MF
Figure 12:

HORN Relay
Object Number: 400506 Size: LF
Figure 13:

FOG LP Relay
Object Number: 400501 Size: LF
Figure 14:

HDLP PWR Relay
Object Number: 400503 Size: LF
Figure 15:

LIFT GLASS Relay
Object Number: 400507 Size: LF
Figure 16:

DRL Relay
Object Number: 400500 Size: LF
Figure 17:

LOW BEAM Relay (Envoy Only)
Object Number: 400505 Size: LF