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1987 Chevrolet Van Repair Question


Topics covered: Heater, Test light.
Mileage: 119,000 miles.

Asked on February 16, 2013

Chevrolet Van Heater Problem

Heater switch won't contril temp. So it stays on low. Check blower fan don't know if resistor or relay or switch. How do you tell if heayer switch is bad. I don't have money to replace parts or take to garage. Please help!!
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Answer

Replied on February 16, 2013

go to resistor it may be by blower and turn to different settings using a stest light probe each wire to seeif power if there is then the resistor mayb e bad as well as blower relay. relay usually controls high speed

Tiny Answered by hmac300 (expert)
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