Headlamp Switch

Fig 1: Headlamp Switch Connector End View

GM1538770

Courtesy of GENERAL MOTORS CORP.

Headlamp Switch

Pin	Wire	Circuit	Function
1	0.35 PK	1444	Instrument Panel Dimming Control
2	0.35 OG/WH	812	Instrument Panel Dimming Voltage Reference
3	0.35 PK/BK	1597	Courtesy Lamps Switch On Signal
4	0.35 BK/WH	1551	Ground
5	0.35 L-BU	1872	Headlamp Switch Headlamp Off Signal
6	0.35 BN/WH	301	Park Lamp Switch On Signal
7	0.35 BN/WH	230	Low Reference
8	0.35 GY/BK	1598	Courtesy Lamps Switch Off Signal
9	0.35 GY	8	Instrument Panel Lamp Supply Voltage
10-11	-	-	Not Used
12	0.35 WH	103	Headlamp Switch Headlamps On Signal

Connector Part Information

OEM: 15477027
Service: 88988229
Description: 12-Way F Micro-Pack HVT (BK)

Terminal Part Information

Terminal: Not Serviced in Kit
Core/Insulation Crimp: N/A
Release Tool/Test Probe: N/A