Radio Connector End View C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110088 24-Way F Micro-Pack 100 Series (GY)
Pin	Wire Color	Circuit No.	Function
A1	GY	118	LF Speaker Output (-)
A2	TN	201	LF Speaker Output (+)
A3	L-BU	115	RR Speaker Output (-)
A4	D-BU	46	RR Speaker Output (+)
A5	BN	199	LR Speaker Output (+)
A6	YE	116	LR Speaker Output (-)
A7	L-GN	200	RF Speaker Output (+)
A8	D-GN	117	RF Speaker Output (-)
A9-A10	-	-	Not Used
A12	BK/WH	151	Ground
B1	OG	2140	Battery Positive Voltage
B2	OG	2140	Battery Positive Voltage
B3-B5	-	-	Not Used
B6	OG	360	Amplifier Control (w/WBM/UR9/UP0)
B7	GY	8	I/P Lamps Dimmer Switch Signal
B8	BN	9	Park Lamps Supply Voltage
B9	-	-	Not Used
B10	D-GN	5060	Low Speed GM LAN Serial Data
B11	YE	43	Accessory Voltage