Pin assignment
PinColorWire sizeFunctionDESTINATION
1Violet-White0.35Left Auxiliary Audio Signal (2)Headunit - Pin 31 violet/white cable
2SCREEN-Auxiliary Audio Screen (2)Headunit - Pin 38
3Green0.5Mid Speed GMLAN Serial Data (+)Display - Pin 17 Green Cable
4Red0.75Battery Positive VoltageDisplay - Pin 3 or 5 Red Cable
10Violet-Red0.35Right Auxiliary Audio Signal (2)Headunit - Pin 32 violet/red cable
11SCREEN-Auxiliary Audio Screen (2)Headunit - Pin 38
12White0.5Mid Speed GMLAN Serial Data (-)Display - Pin 18 White Cable
13Brown0.75Ground
Nearest Chassis ground point