A20 Radio/HVAC Control

WARNING: This page is about a different car, the 2011 Chevrolet Volt. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS CORP.

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 7283-4545
Service Connector: 13576645
Description: 18-Way F Kaizen 64 Series (WH)

Terminal Part Information

Terminated Lead: 13575845
Release Tool: J-38125-215A
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: SAIT-A03T-M064/14
Core/Insulation Crimp: P/P

A20 Radio/HVAC Control

Pin	Size	Color	Circuit	Function	Option
1	0.35	YE	7459	Integrated Center Stack Serial Data Low	-
2	0.35	L-BU	7458	Center Integrated Center Stack Serial Data High	-
3	0.5	BK	7460	Integrated Center Stack Serial Data Shield	-
4	0.5	BK/L-GN	3291	Integrated Center Stack Wake Up Signal	-
5-7	-	-	-	Not Used	-
8	0.5	L-GN/YE	7531	Linear Interconnect Network Bus 9	-
9	-	-	-	Not Used	-
10	0.5	RD/L-GN	742	Battery Positive Voltage	-
11	0.35	YE	7556	Lighting Control Switch Reference	-
12	0.5	BN/YE	780	Driver Door Lock Switch Lock Signal	-
13	0.5	BN/WH	781	Driver Door Lock Switch Unlock Signal	-
14	0.35	BK/VT	3109	Low Reference	-
15	0.5	L-GN/WH	3290	Integrated Center Stack Reset Signal	-
16	0.5	L-GN/WH	111	Hazard Switch Signal	-
17	0.5	BK	1650	Ground	-
18	0.35	YE	6817	LED Backlight Dimming Control	-