1988 GMC C2500 2DR PICKUP

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
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

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