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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2000CAVALIER BASE, 2D COUPE, AUTOMATIC, 4T40E/MN4REPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM - CAVALIER & SUNFIRECOMPONENT TESTSBLOWER SWITCH
2000 Chevrolet Cavalier Base, 2D Coupe, Automatic, 4T40E/MN4
Blower Switch
2000 Chevrolet Cavalier Base, 2D Coupe, Automatic, 4T40E/MN4SECTION Blower Switch
Disconnect heater control head. Using DVOM, check continuity of blower switch. See BLOWER SWITCH CONTINUITY table.
BLOWER SWITCH CONTINUITY
| Switch Position | (1) Terminals | ||
|---|---|---|---|
| I (Low) | E & A | ||
| II (Medium-Low) | E & B | ||
| III (Medium-High) | E & C | ||
| IIII (High) | E & D | ||
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RENDER: 1.0x
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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.