Radio C3

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

Fig 1: Radio C3 (U3U) Connector End View

Courtesy of GENERAL MOTORS CORP.

Radio C3 Connector & Terminal Parts Information

Connector Part Information

OEM: 7283-9078-80
Service: 15136074
Description: 16-Way F (BN)

Terminal Part Information

Pins: 1, 2, 5, 8, 9, 10, 15, 16
Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Pins: 6, 7
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Radio C3 Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	GY	5383	Navigation Display Serial Data Low
2	BK	1782	Ground
3-4	-	-	Not Used
5	D-GN/WH	817	Vehicle Speed Signal
6	TN/BK	5147	Video Synchronization Low Reference (1)
7	BK	5324	Video Screen
8	D-BU	658	Cellular Telephone Voice Signal (w/UQA, U3R)
9	BN	5384	Navigation Display Serial Data High
10	YE	5385	Switch Power
11-14	-	-	Not Used
15	BK/YE	701	Drain Wire (w/UQA, U3R)
16	L-BU/BK	659	Cellular Telephone Voice Low Reference (w/UQA, U3R)