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

Ignition Switch


Object Number: 1538770  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: 1-8, 10-12
  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12180559/J-35616-16 (L-GN)

Ignition Switch

Pin

Wire Color

Circuit No.

Function

1

BK

2250

Ground

2

RD

142

Battery Positive Voltage

3

BK/WH

751

Ground

4

L-GN

80

Key In Ignition Switch Signal

5

PK

3

Ignition 1 Voltage

6

RD

342

Ignition 3 Voltage

7

OG

300

Ignition 3 Voltage

8

YE

1996

Ignition Lock Cylinder Control Actuator Signal

9

--

--

Not Used

10

WH

1390

Ignition 0 Voltage

11

YE

5

Crank Voltage

12

BN

4

Accessory Voltage