GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ignition Switch

Ignition Switch


Object Number: 307727  Size: CH

Connector Part Information

  • OEM: 12064978
  • Service: 12125678
  • Description: 6-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Switch

Pin

Wire Color

Circuit No.

Function

1

RD/WH

540

Battery Positive Voltage

2

BN

4

Accessory Voltage

3

PK

3

Ignition 1 Voltage

4

YE

5

Crank Voltage

5

OG

300

Ignition 3 Voltage

6

RD/WH

1940

Battery Positive Voltage