heater troubles
I just bought a 1987 olds cutlass supreme and the blower motor does not come on. I checked it with a hot wire and it works I also checked it at the relay and took the cap off it and used a screwdriver to complete the circuit and that also worked. So i guess the switch must ground the relay, but what is wrong with mine??
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Have you checked the blower motor or the blower resistor?
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Most blower motors are constant power and switched ground. The ground is regulated by a blower resistor (giving you 4 speeds). Check if you have power and ground to the motor, if you do it's a bad motor, if not, look at resistor, or switch.
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I found the trouble, There was a wire unhooked under the hood and dash.
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