Question about 1992 Buick LeSabre

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1992 Buick Lesabre - heater won't cut off, even with ignition off

Even when ignition switch is turned off, heater blower still runs. has drained the battery twice now.

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There has to be a positive wire making contact with the blower wiring. And if it still runs while the car is off, then it could only be a handfull that have power while the car is off. Like the cigarette lighter wiring, headlight switch wiring, curtesy lighting, hazards. Can also be under the hood, hood light ( if you have one) whether or not it works. I sincerely hope that this could be of some help to you. Good luck and best wishes.

Posted on Jan 19, 2009

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1992 Buick Lesabre, my a/c / heater is not working, after putting in a blower motor resistor/relay. The dash doesn't not illuminate, and the only trying that works is the defrost for my back window. Is...


My 92 Le saber did that and we changed resisters and did a number of things and nothing worked Finally my mechanic put a bypass switch some where on the power line and after that it worked. Sorry I am not sure where but after he put a cut off switch in the line everything worked again.I don't own that car anymore so I can't even follow up to see where it went.

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Hi Carlos,here's a link to your blower motor,the resistor is located next to the blower,2 screws hold it on,just remove electrical connector and screws and take to Autozone and match up,very easy to do. GET 25 GIFT CARD FOR EVERY 100 SPENT ON ONLINE SHIP TO HOME ORDERS Here's the part. Heater Blower Motor Resistor at AutoZone com Best Heater Blower Motor...

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Air conditioner in 1992 Buick Lesabre wasn't blowing cold air


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the heater fan relay should be in the fuse panel. if not ck see if there is a regular fuse too. Who was messing with the car to do that? find the heater blower switch which should be by the radio... and sometimes it is easier to just take out the radio to get more room. check the wiring make sure nothing else is hooked to it . do the same for the blower which may be easy to get to under the pass side dash or thrught the glove box. but check the wires.

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Heater blower won't cut off, even with ignition turned off


try looking at your x relief relay it may be sticking

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