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1981 Eldorado
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19 Posts
Discussion Starter #22
The blower resistor receives a control signal from the bcm which tells the resistor which speed is needed. Main power for the blower goes directly to the resistor and then routed to the blower accordingly. The resistor changes the voltage of the main power based on signalling from the bcm. When the resistor burns out, sometimes it shorts out as off, or on. Yours is probably shorted on.

New resistor.

Is your AC compressor always on. My AC compressor stays on all the time (unless in Econ mode) even when the heat is on
 

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92 Fleetwood 2dr cpe - FWD, 96 Seville SLS, 02 Seville
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827 Posts
No, shuts off when desired temp is reached
 
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