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Why did your heater fan in your Cadillac Eldorado stop running?
Wiki User
∙ 13y ago
I just went through this problem and the fix was relatively easy.. but expensive. First make sure the fan motor is still good by running jumper wires to the fan motor plug .. positive on the right pole. If the fan turns on, it's probably the blower motor control module which is a small panel on the top of the blower box with two plugs on it's top. Remove the 3 screws, unplug the 2 cables and lift out the module. Install and reconnect the new module. I removed the negative battery terminal first to avoid any possible shorting. Next as an extra precaution I did a computer reset.
Reconnect the battery terminal, put the car in park with emergency brake on. Start the car and let it idle ..NO ACCELERATION for 15 minutes or when the engine temperature reaches 200. Next, put your foot down on the brake pedal and hold it for 3 minutes as the engine idles. Now, with your foot still on the brake, put the transmission in "Drive" and turn the A/C control to "auto". Let it run another 3 minutes, then shut the engine off and the car in "Park". When you restart the car the computer will be reset, and all your electronic information panel will be reset. Your gas "miles to go before empty" light should read "LO". After the car is driven a while the computer will update all the information
Wiki User
∙ 13y ago
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