Audio Amplifier C3 (U66)

WARNING: This page is about a different car, the 2007 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Audio Amplifier C3 (U66) Connector End Views

Courtesy of GENERAL MOTORS CORP.

Audio Amplifier C3 (U66) Connector Parts Information

Connector Part Information

OEM: 12110206
Service: 12110206
Description: 24-Way F Micro-Pack 100 Series (L-BU)

Terminal Part Information

Pins: A1, A2, A3, A4
Terminal/Tray: 12146448/19
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Pins: A5, A6, A7, A8, A9, A10, B4, B5, B6, B7, B11
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Audio Amplifier C3 (U66) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
A1	PU	1952	Right Front Tweeter Speaker Output (-)
A2	L-GN	1852	Right Front Tweeter Speaker Output (+)
A3	TN	1856	Left Front Tweeter Speaker Output (+)
A4	YE	1956	Left Front Tweeter Speaker Output (-)
A5	D-BU	1857	Left Front Midrange Speaker Output (+)
A6	L-BU	1957	Left Front Midrange Speaker Output (-)
A7	D-BU/WH	346	Rear Subwoofer Speaker Coil 1 Output (+)
A8	L-GN/BK	1794	Rear Subwoofer Speaker Coil 1 Output (-)
A9	D-GN	1795	Rear Subwoofer Speaker Coil 2 Output (+)
A10	L-BU/BK	315	Rear Subwoofer Speaker Coil 2 Output (-)
A11-A12	-	-	Not Used
B1-B3	-	-	Not Used
B4	L-GN	1948	Right Low Level Audio Signal (-)
B5	L-GN	512	Right Low Level Audio Signal (+)
B6	D-GN	1947	Left Low Level Audio Signal (-)
B7	TN	511	Left Low Level Audio Signal (+)
B8-B10	-	-	Not Used
B11	PU	1807	Class 2 Serial Data
B12	-	-	Not Used