Radio C1

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: Radio C1 Connector End Views

Courtesy of GENERAL MOTORS CORP.

Radio C1 Connector Parts Information

Connector Part Information

OEM: 30220700
Service: 88952767
Description: 20-Way F DCS-2 Tri-Color (YE/GN/BU)

Terminal Part Information

Pins: 2, 4, 5, 6, 8, 9, 11, 12, 13, 16, 19
Terminal/Tray: 60000511/21
Core/Insulation Crimp: E/C
Release Tool/Test Probe: J-38125-560/J-35616-2A (GY)

Pins: 6, 9, 14, 17, 20
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Radio C1 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	BARE	5344	Drain Wire (UAV/U2X/U2Y)
3	-	-	Not Used
4	YE	5342	Navigation Audio Signal (+) (UAV/U2X/U2Y)
5	OG	1544	Information Up Switch Signal (LP1/LY7)
6	PK	5149	Cellular Microphone Signal (UE1)
6	GY	655	Cellular Microphone Signal (U2Y/U2X)
7	-	-	Not Used
8	PU	1807	Class 2 Serial Data
9	PK/BK	5152	Cellular Microphone Low Reference (UE1)
9	BARE	1782	Drain Wire (U2Y/U2X)
10	-	-	Not Used
11	PU	1807	Class 2 Serial Data
12	PK	1545	Information Down Switch Signal (LP1/LY7)
13	D-BU	1796	Steering Wheel Controls Signal (LP1/LY7)
14	D-GN	5142	Modem Tx (Japan)
15	-	-	Not Used
16	WH	5343	Navigation Audio Signal (-) (UAV/U2X/U2Y)
17	L-BU	5141	Modem Rx (Japan)
18	-	-	Not Used
19	OG	1486	FM Composite Signal
20	YE/BK	5143	Modem Ground (Japan)