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

Dome Lamp Harness (Regular Cab Pickup)


Object Number: 357172  Size: LF
(1)S302
(2)Dome Lamp Harness
(3)High Mount Stoplamp
(4)S300
(5)Visor Vanity Mirror Lamp, LH
(6)C209
(7)Inside Rear View Mirror
(8)Visor Vanity Mirror Lamp, RH
Figure 2:

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 3:

Floor Pedals


Object Number: 203295  Size: LF
(1)Dash Panel
(2)Stoplamp Switch
(3)Brake Pedal
(4)Clutch Pedal Position Switch, (Manual Transmission)
(5)Clutch Pedal, (Manual Transmission)
Figure 4:

Floor Shifter Harness Connections


Object Number: 401101  Size: MF
(1)Automatic Transmission Controller and Connector
(2)Automatic Transmission Preference Switch Connector
(3)Splice S336
(4)Floor Shifter
(5)Automatic Transmission Indicator Lamp
(6)Splice S335
Figure 5:

Headlamps


Object Number: 357145  Size: MF
(1)Headlamp Switch
(2)IP Dimmer Switch
(3)Fog Lamp Switch
(4)Dome Lamp Override Switch
Figure 6:

High Mount Stoplamp


Object Number: 357177  Size: LF
(1)High Mount Stoplamp
Figure 7:

Instrument Panel, RF


Object Number: 357161  Size: LF
(1)C102
(2)C203
(3)Instrument Panel (IP)
(4)Recirculation Door Motor
(5)Turn Signal Lamp 2/4 Flasher
(6)C601
(7)C600
(8)Transfer Case Shift Control Module Connector
(9)Splice Pack SP200
(10)Splice Pack SP204
(11)G203, G204 and G205
(12)HVAC Solenoid Assembly Connector (w/ Auto A/C)
(13)Air Temperature Valve Sensor and Motor
Figure 8:

IP Wiring Harness Composite View


Object Number: 357142  Size: LF
(1)Supplemental Restraint IP Module Switch Connector
(2)Radio Connector
(3)Not Used
(4)Transfer Case Shift Control Switch
(5)Heater and A/C Controller
(6)Instrument Cluster Connector
(7)Instrument Panel (IP)
(8)Not Used
(9)Courtesy Lamp, LF Console
(10)S240
(11)Body Control Module (BCM) Connector C3
(12)C224
(13)S275
(14)S205
(15)S283
(16)S208
(17)Splice Pack SP203
(18)S272
(19)S274
(20)S273
(21)S280
(22)S223
(23)Courtesy Lamp, RF Console
(24)C102
(25)C203
(26)Door Jamb Switch, RH Front
(27)IP Compartment Lamp
(28)Headlamp Ambient Light Sensor
(29)IP Speaker, RH
Figure 9:

IP Wiring Harness


Object Number: 357160  Size: LF
(1)Supplemental Restraint System (SRS) IP Module
(2)C201
(3)IP Compartment Lamp
(4)Door Jamb Switch, RF
Figure 10:

License Lamp Wiring (Fleetside Pickup)


Object Number: 357374  Size: LF
(1)Rear License Plate Lamp Bulb, RH
(2)Rear License Plate Lamp, RH
(3)Rear License Plate Lamp Bulb, LH
(4)Rear License Plate Lamp, LH
Figure 11:

Manual Transmission (2.2 L)


Object Number: 357136  Size: LF
(1)Vehicle Speed Sensor
(2)Backup Lamp Switch
(2)Backup Lamp Switch
(3)Heated Oxygen Sensor (HO2S, Bank 1, Sensor 1)
(4)C117
Figure 12:

Rear Lamps (Pickup)


Object Number: 357373  Size: LF
(1)Side Marker Lamp, RH Rear
(2)Park and Turn Signal Lamp, RH Rear
(3)Backup Lamp, RH
(4)Splice Pack SP400
(5)Backup Lamp, LH
(6)Side Marker Lamp, LH Rear
(7)Park and Turn Signal Lamp, LH Rear
Figure 13:

IP Harness, Underhood Lamp


Object Number: 357127  Size: LF
(1)Hood
(2)Underhood Lamp
(3)G117
(4)G120
(5)Underhood Lamp Connector