Radio Connector End View

Radio C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12110206 Service: 12110206 24-Way F Micro-Pack 100 Series (L-BU)
Pin	Wire Color	Circuit No.	Function
A1	GY	118	Left Front Speaker Output (-)
A2	TN	201	Left Front Speaker Output (+)
A3	L-BU	115	Right Rear Speaker Output (-)
A4	D-BU	46	Right Rear Speaker Output (+)
A5	BN	199	Left Rear Speaker Output (+)
A6	YE	116	Left Rear Speaker Output (-)
A7	L-GN	200	Right Front Speaker Output (+)
A8	D-GN	117	Right Front Speaker Output (-)
A9	D-BU	1796	Steering Wheel Controls Signal (UK3)
A10	WH/BK	644	10-Volt Reference (UK3)
A11	-	-	Not Used
A12	BK/WH	151	Ground
B1	RD/WH	2140	Battery Positive Voltage
B2	-	-	Not Used
B3	OG	5748	Mute (U65)
B4-B5	-	-	Not Used
B6	PK	314	Amplifier Enable (U65)
B7-B8	-	-	Not Used
B9	PU	1807	Class 2 Serial Data
B10-B12	-	-	Not Used

Radio C2

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12064799 Service: 15305996 12-Way F Micro-Pack 100 Series (BK)
Pin	Wire Color	Circuit No.	Function
A-G	-	-	Not Used
H	D-GN/WH	368	Right Audio Signal (+)
J	BN/WH	367	Left Audio Signal (+)
K	YE/WH	372	Audio Common
L	OG/BK	2061	Navigation Audio Mono Signal (-) (UE1)
M	PK/BK	2062	Navigation Audio Mono Signal (+) (UE1)