I have a 99 GMC Sonoma 1500 Van v6 that has wiring all messed up. I need a picture to fix this.
Would like to help you but not sure if your have a van or a pick up truck.
Savana van
Wire Function: Rear harness
Right Turn & Brake Light - Green
Left Turn & Brake Lights - Yellow
Tail Lights - Brown
Ground - Black
Single Purpose Bulb System
Brake Lights - Pink or Lt Blue
Backup Lights - Lt Green
98 + GMC Sonoma
12volts red + ignition harness
Starter yellow + ignition harness
Ignition pink + ignition harness
Second Ignition white + ignition harness
Accessory orange + ignition harness
Power Lock lt. blue + brown plug at BCM
Power Unlock white + brown plug at BCM
Lock Motor gray 5wi driver kick panel
Unlock Motor tan 5wi driver kick panel
Parking Lights+ brown + lt. blue plug at BCM
Parking Lights- white - lt. blue plug at BCM
Door Trigger - BCM
Dome Supervision use door trigger
Trunk/Hatch Pin pink/black - lt. blue plug at BCM
Trunk/Hatch Release black - purple plug at BCM
Tachometer white ac PCM
Brake Wire white + steering column
Parking Brake black - at the pedal
Horn Trigger black - steering column
Good luck and hope this helps.
