1990 GMC C1500 2DR PICKUP
Security
Battery RED + (+) IGNITION SWITCH HARNESS
Ignition PNK (+) IGNITION SWITCH HARNESS
Starter01 VIO(+) + (+) IGNITION SWITCH HARNESS
AllDoorTrigger WHT (-) (-) LIGHT UNDER DASH
TrunkTrigger N/A
HoodTrigger N/A
FactoryAlarmDisarm N/A
ParkingLights BRN(+) (+) LIGHT SWITCH HARNESS
Remote Start
Battery RED + (+) IGNITION SWITCH HARNESS
Ignition PNK (+) IGNITION SWITCH HARNESS
Ignition02 + IGNITION SWITCH HARNESS
Ignition03 +
Accessory01 ORN + (+) IGNITION SWITCH HARNESS
Accessory02 +
Starter01 VIO(+) + (+) IGNITION SWITCH HARNESS
AntiTheftSystem NONE
Tach WHT (-) (-) AT COIL
ParkingLights BRN(+) (+) LIGHT SWITCH HARNESS
BrakeLights WHT (+) AT BRAKE SWITCH
Horn BLK (-) AT STEERING COLUMN
Doorlocks / Window
PowerUnLock BLK/RED (REV) REVERSE POLARITY
PowerLock LT.BLU (REV) DRIVER'S KICK PANEL OR LEFT DASH SPEAKER
Convenience
HeadLights YEL (+) AT LIGHT SWITCH
LowSpeedWipers VIO (+) AT WIPER SWITCH
TrunkRelease N/A
Mobile Audio / Video
Battery RED + (+) IGNITION SWITCH HARNESS
Accessory01 ORN + (+) IGNITION SWITCH HARNESS
Ground BLK - (-) RADIO HARNESS
Illumination GRY (+) RADIO HARNESS
FrontLeftSpeakerPos TAN
FrontLeftSpeakerNeg GRY
FrontRightSpeakerPos LT.GRN
FrontRightSpeakerNeg DARK GREEN
RearLeftSpeakerPos BRN
RearLeftSpeakerNeg YEL
RearRightSpeakerPos DK.BLU
RearRightSpeakerNeg LT.BLU
Control Modules
Note:
Wirediagram.com makes no representation or warranty with respect to the above information including its accuracy, completeness, or its freedom from third parties' proprietary rights. Wirediagram.com disclaims all liability or responsibility for errors or omissions therein or any decision made by the recipient in reliance thereon. The installer must verify any circuitry with the proper test equipment prior to installation.
