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HOMESERVICE MANUALSCHEVROLET2013SILVERADO 2500 HD LT, 2D CAB CHASSIS, 6.6L ENG VIN 8, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2269 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ELECTRONIC COMPASS MODULE TO MEMORY SEAT MODULE (X4))COMPONENT CONNECTOR END VIEWSHEADLAMP AND PANEL DIMMER SWITCH (HP2)
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD

Headlamp and Panel Dimmer Switch (HP2)

2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Headlamp and Panel Dimmer Switch (HP2)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
GM850856Courtesy of
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 13783349
  • Service Connector: 13578573
  • Description: 16-Way F Micro 64 Series Sealed (BK)
Terminal Part Information
  • Terminated Lead: 13575550
  • Release Tool: J-38125-559
  • Diagnostic Test Probe: J-35616-16 (L-GN)
  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
Headlamp and Panel Dimmer Switch (HP2)

Pin Wire Circuit Function
1 0.35 WH 103 Headlamp Switch On Signal
2 0.35 L-BU 13 Headlamp Switch Park Lamp Signal
3 0.35 D-GN 306 Headlamp Switch Headlamps Off Signal
4-5 - - Not Used
6 0.35 L-BU 187 Rear Fog Lamp Switch Signal (T79)
7 0.5 BN/WH 230 Instrument Panel Lamp Dimming Control (X88 or Z88)
0.35 YE 6817 LED Backlight Dimming Control (Z75)
8 0.35 BK 1850 Ground
9 0.35 PU 328 Interior Lamp Switch Voltage Control
10 0.35 OG 192 Front Fog Lamp Switch Signal (T96)
11 - - Not Used
12 0.35 D-BU/WH 149 Courtesy Lamp Control
13 0.35 D-GN 44 Instrument Panel Lamps Dimmer Switch Signal
14 - - Not Used
15 0.35 OG/WH 812 12-Volt Reference
16 - - Not Used
RENDER: 1.0x

NO RELATED

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

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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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