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 MANUALSCHEVROLET2012EXPRESS 3500 V8-4.8LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGBLOWER MOTOR SWITCHLOCATIONS
2012 Chevrolet Express 3500 V8-4.8L
Blower Motor Switch: Locations
2012 Chevrolet Express 3500 V8-4.8LSECTION Locations
Instrument Panel/Center Console Component Views
Instrument Panel Components
1 - Driver Information Center (DIC) Switch
2 - Turn Signal/Multifunction Switch
3 - Steering Wheel Control Switch - Left (K34)
4 - Instrument Panel Cluster (IPC)
5 - Inflatable Restraint Steering Wheel Module
6 - Steering Wheel Control Switch - Right (W1Y)
7 - Instrument Panel
8 - Tow/Haul Switch
9 - HVAC Control Assembly
10 - Radio
11 - Inflatable Restraint I/P Module
12 - Accessory Power Outlet - Center Console 2
13 - Blower Motor Switch - Auxiliary (C36 without C69)
14 - Inflatable Restraint I/P Module Indicator (Light Duty without YF7)
15 - Inflatable Restraint I/P Module Disable Switch (C99)
16 - Traction Control Switch (TCS) (JL4)
17 - Cigar Lighter (DT4)/Accessory Power Outlet - Center Console 1 (without DT4)
18 - Data Link Connector (DLC)
19 - Headlamp and Panel Dimmer Switch
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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.