Backup Lamp Relay Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12129715 6-Way F Metri-Pack 280 Series Flex Lock (GRY)
Pin	Wire Color	Circuit No.	Function
A1	DK BLU	38	Backup Lamp Relay Control
A2	LT GRN	24	Backup Lamp Supply Voltage
B1-B2	-	-	Not Used
C1	ORN/BLK	840	Battery Positive Voltage
C2	ORN	840	Battery Positive Voltage