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Junction Block - Rear

Fig 1: Junction Block - Rear

GM891656

Courtesy of GENERAL MOTORS CORP.

Junction Block - Rear Lamps - C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317304 8-Way F GT 280 Series Sealed (BU)
Pin	Wire Color	Circuit No.	Function
A	L-BU	2114	Left Turn Signal Lamps Supply Voltage
B	L-BU	1320	Stop Lamp Supply Voltage
C	L-GN	24	Backup Lamp Supply Voltage
D	BN/WH	2609	Right Rear Park Lamps Supply Voltage
E	BK	1750	Ground
F	-	-	Not Used
G	BN	2509	Left Rear Park Lamps Supply Voltage
H	D-BU	2115	Right Turn Signal Lamps Supply Voltage

Junction Block - Rear Lamps - C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317305 7-Way F GT 280 Series (GRY)
Pin	Wire Color	Circuit No.	Function
A	BK	1750	Ground
B	BK	1750	Ground
C	BK	1750	Ground
D	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
E	BN	2509	Left Rear Tail Lamps Supply Voltage
F	L-GN	24	Backup Lamp Supply Voltage
G	-	-	Not Used
H	L-BU	2114	Left Turn Signal Lamps Supply Voltage

Junction Block - Rear Lamps - C3

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317308 8-Way F GT 280 Series (BN)
Pin	Wire Color	Circuit No.	Function
A	BN/WH	2609	Right Rear Park Lamps Supply Voltage
B	-	-	Not Used
C	BK	1750	Ground
D	BK	1750	Ground (906 w/NYS)
E	BK	1750	Ground (906 and NYS)
F	-	-	Not Used
G	BN	2509	Left Rear Park Lamps Supply Voltage
H	BK	1750	Ground

Junction Block - Rear Lamps - C4

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317306 7-Way F GT 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	L-BU	1320	Stop Lamp Supply Voltage
B	BRN/WH	2609	Right Rear Park Lamps Supply Voltage
C	BK	1750	Ground
D	BK	1750	Ground
E	L-GN	24	Backup Lamp Supply Voltage
F	D-BU	2115	Right Turn Signal Lamps Supply Voltage
G	-	-	Not Used
H	BK	1750	Ground