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Junction Block Connector End View - Rear

Fig 1: Junction Block - Rear

GM891656

Courtesy of GENERAL MOTORS CORP.

Junction Block - Rear C1 Pin Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317304 8-Way F GT 280 Sealed (BLU)
Pin	Wire Color	Circuit No.	Function
A	LT BLU	2114	Left Turn Signal Lamps Supply Voltage
B	LT BLU	1320	Stop Lamp Supply Voltage
C	LT GRN	24	Backup Lamp Supply Voltage
D	BRN/WHT	2609	Right Rear Park Lamps Supply Voltage
E	BLK	1750	Ground
F	-	-	Not Used
G	BRN	2509	Left Rear Park Lamps Supply Voltage
H	DK BLU	2115	Right Turn Signal Lamps Supply Voltage

Junction Block - Rear C2 Pin Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317305 8-Way F GT 280 Series (MD GRY)
Pin	Wire Color	Circuit No.	Function
A	GRN/BLK	1750	Ground
B	GRY/BLK	1750	Ground
C	BLK	1750	Ground
D	RED	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
E	BLU	2509	Left Rear Tail Lamps Supply Voltage
F	GRY	24	Backup Lamp Supply Voltage
G	-	-	Not Used
H	ORN	2114	Left Turn Signal Lamps Supply Voltage

Junction Block - Rear C3 Pin Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317306 8-Way F GT 280 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	RED	1320	Right Tail Lamp Supply Voltage
B	BLU	2609	Right Rear Park Lamps Supply Voltage
C	GRN/BLK	1750	Ground
D	BLK	1750	Ground
E	GRY	24	Backup Lamp Supply Voltage
F	ORN	2115	Right Turn Signal Lamps Supply Voltage
G	-	-	Not Used
H	GRY/BLK	1750	Ground