Question about 1995 Buick LeSabre

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Heater causing electrical problems

When i start up the car with the heater on, it causes the battery gauge needle goes to the right and almost hits the red area. As I am driving, the battery needle will go back and the motor hesitates for a split second. this will happen a few times. It seems to get under control when I am getting heat. I also noticed that I can have heat on driver's side and cold air on passenger's side.

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First, always turn accessory's off before shutting vehicle off, this gives alternator a chance to charge battery without loads on it before it is loaded again during engine start. Have battery and alternator load tested. The heater fan should not be drawing that much from system unless there is an issue with it or its power feed or ground. If engine is also not getting the proper voltage it could do just as you describe.For the heating issue, does it have heat settings for driver and passenger? Hope this helps! Please rate me.

Posted on Jan 21, 2009


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Posted on Jan 02, 2017


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