GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Doors (RF Shown, LF Opposite)


Object Number: 416725  Size: LF
(1)Door Lock Cylinder Switch Connector, RH
(2)Door Handle Switch Connector, RH
(3)Side 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)Radio Speaker Connector, Front Side Door, 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)Side Door Jamb Switch, LF
(5)IP Fuse Block
(6)S204
(7)C217
(8)Courtesy Lamp, LH Console
(9)Body Relay Block
(10)S223
(11)Radio Speaker, Front 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:

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 5:

Body Relay Block


Object Number: 668212  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 6:

Body Relay Block (Envoy Only)


Object Number: 668222  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 7:

Instrument Panel Fuse Block (Label)


Object Number: 389623  Size: MF
Figure 8:

Underhood Fuse Block Label


Object Number: 669174  Size: MF
Figure 9:

Underhood Fuse Block Label (Envoy Only)


Object Number: 389616  Size: MF
Figure 10:

HORN Relay


Object Number: 400506  Size: LF
Figure 11:

FOG LP Relay


Object Number: 400501  Size: LF
Figure 12:

HDLP PWR Relay


Object Number: 400503  Size: LF
Figure 13:

LIFT GLASS Relay


Object Number: 400507  Size: LF
Figure 14:

DRL Relay (Except Envoy)


Object Number: 667999  Size: LF
Figure 15:

DRL Relay, Envoy Only


Object Number: 668048  Size: LF
Figure 16:

LOW BEAM Relay, Envoy Only


Object Number: 668023  Size: LF