Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2013SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - HVACCONTROL MODULE HVACLOCATIONSHVAC CONTROL MODULEFRONT OF THE I/P COMPONENTS (EXCEPT YE9)
2013 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Front of the I/P Components (except YE9)
2013 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Front of the I/P Components (except YE9)
Instrument Panel/Center Console Component Views
Front of the I/P Components (except YE9)
1 - Driver Information (DIC) Switch (UK3)
2 - Instrument Panel Cluster (IPC)
3 - Radio
4 - Ambient Light/Sunload Sensor (CJ2)/Ambient Light Sensor (C67/C42/MEX)
5 - HVAC Control Module
6 - Inflatable Restraint I/P Module Disable Switch (C99/MEX)
7 - Power Take-Off (PTO) Switch (PTO)
8 - Accessory Power Outlet - I/P 2
9 - Multifunction Switch Assembly - I/P (except MEX)
10 - AAccessory Power Outlet - I/P 1
11 - Transfer Case Shift Control Switch (NQF/NQH)
12 - Trailer Brake Control Switch (JL1)
13 - Headlamp and Panel Dimmer Switch
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.