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

Front Door Wiring


Object Number: 563940  Size: LF
(1)C301 (LH), C205 (RH)
(2)C303 (LH), C204 (RH)
(3)P500 (LH), P600 (RH)
(4)S500 (LH)
(5)S501 (LH)
(6)Outside Rearview Mirror Connector
(7)S503 (LH), S605 (RH)
(8)S507 (LH), S602 (RH)
(9)S508 (LH)
(10)S504 (LH), S601 (RH)
(11)Tweeter Connector
(12)S506 (LH), S600 (RH)
(13)Outside Rearview Mirror Switch Connector (LH)
(14)Front Power Window Switch Connector (C1) (RH)
(15)Power Window Motor
(16)Power Window Switch Connector (C2)
(17)S502 (LH), S603 (RH)
(18)Front Door Lock Motor
(19)Front Door Lock Motor Connector
(20)Power Door Lock Switch Connector
(21)Woofer Connector
Figure 2:

Left Front Door Control Switches


Object Number: 297709  Size: MF
(1)Front Power Window Switch Connectors
(2)Outside Rear View Mirror Control Switch Connector (LH Only)
(3)Front Door Tweeter
(4)Power Door Lock Switch Connector
(5)Power Door Lock Switch
(6)Front Power Window Switch
(7)Outside Rear View Mirror Control Switch