Radio Connector End View

Radio (Base)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		AMP 173853-1 18-Way M 070 Series Multilock Plug 18P
Pin	Wire Color	Circuit No.	Function
1	L-BU	200	Right Front Speaker Output (+)
2	D-BU	46	Right Rear Speaker Output (+)
3	BN/WH	309	Right Park Lamp Supply Voltage
4	YE	43	Accessory Voltage
5	OG	540	Battery Positive Voltage
6	-	-	Not Used
7	GY	199	Right Front Speaker Output (+)
8	PU	201	Left Front Speaker Output (+)
9	BN	117	Right Front Speaker Output (-)
10	WH	115	Right Rear Speaker Output (-)
11	BK	450	Ground
11	L-GN/RD	230	Instrument Panel Lamps Dimming Control (w/Dimmer)
12-13	-	-	Not Used
14	BK	450	Ground
15-16	-	-	Not Used
17	D-GN	116	Left Rear Speaker Output (-)
18	L-GN	118	Left Front Speaker Output (-)

Radio (RDS)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		AMP 936593-2 16-Way
Pin	Wire Color	Circuit No.	Function
1	D-BU	46	Right Rear Speaker Output (+)
2	WH	115	Right Rear Speaker Output (-)
3	BN/WH	309	Right Park Lamp Supply Voltage
4	-	-	Not Used
5	L-BU	200	Right Front Speaker Output (+)
6	BN	117	Right Front Speaker Output (-)
7	-	-	Not Used
8	OG	540	Left Rear Speaker Output (-)
9	PU	201	Left Front Speaker Output (+)
10	L-GN	118	Left Front Speaker Output (-)
11	-	-	Not Used
12	BK	450	Ground
12	L-GN/RD	230	IP Lamp Dimmimg Control
13	GY	199	Left Rear Speaker Output (+)
14	D-GN	116	Left Rear Speaker Output (-)
15	YE	43	Accessory Voltage
16	BK	450	Ground