GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Sonoma Pickup - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Power Door Systems 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:

Door Harness Wiring Switches-Front
Object Number: 357301 Size: LF
(1)Door, RH
(2)Door Lock and Side Window Switch, RH, Connector C1 (2 and 4-Door Utility)
(3)Door Lock and Side Window Switch, RH, Connector C2 (2 and 4-Door Utility)
(4)Door, LH (4-Door Utility)
(5)Outside Remote Control Rear View Mirror Switch Connector (4-Door Utility)
(6)Side Window Lockout Switch (4-Door Utility)
(7)Door Lock and Side Window Switch, LH, Connector C1 (4-Door Utility)
(8)Door Lock and Side Window Switch, LH Connector C2 (4-Door Utility)
(9)Door Lock and Side Window Switch, LH Connector C1 (2-Door Utility)
(10)Door Lock and Side Window Switch, LH Connector C2 (2-Door Utility)
(11)Outside Remote Control Rear View Mirror Switch Connector (2-Door Utility)
(12)Door, LH (2-Door Utility)
Figure 3:

Liftgate LH (Utility)
Object Number: 357352 Size: LF
(1)C426 LH (C428 RH)
(2)C427 LH (C429 RH)
(3)P901
(4)C432 LH (C433 RH)
(5)Liftgate Switch Connector
(6)Liftgate Lock Actuator Connector
(7)Liftgate Window Release Actuator Connector
(8)Liftgate Window Release Actuator
Figure 4:

Rear Door Wiring Harness (RH Shown, LH Opposite)
Object Number: 357305 Size: LF
(1)Door
(2)Door Lock Actuator, RH Rear
(3)Side Window Switch, RH Rear
(4)Door Speaker, RH Rear
(5)Side Window Regulator Motor, RH Rear
(6)C404 (RH) or C406 (LH)
(7)C405 (RH) or C407 (LH)
(8)P800 (RH) or P700 (LH)
(9)Side Window Switch, RH Rear