Headlamp Switch C2

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Headlamp Switch C2
WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Headlamp Switch C2 Connector End View
GM646374Courtesy of GENERAL MOTORS CORP.
Headlamp Switch C2 Connector Parts Information

Connector Part Information 
  • OEM: 15332145
  • Service: 15306407
  • Description: 8-Way F GT 150 Series Unsealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
Headlamp Switch C2 Connector Terminal Identification

Pin Wire Color Circuit No. Function
A OG 192 Front Fog Lamp Switch Signal (T96)
B L-BU 187 Rear Fog Lamp Switch Signal (T79)
C D-GN/WH 1317 Front Fog Lamp Relay and Indicator Control (T96)
D YE 1977 Rear Fog Lamp Relay and Indicator Control (T79)
E TN 5463 Daytime Running Lamp Override Indicator (w/o WX7)
F D-GN 189 Headlamp Leveling Motor Supply Voltage (TR6)
G PK 639 Ignition 1 Voltage (TR6)
H BN/WH 1871 Headlamp Washer Switch Signal (CE4)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.