Question about 2004 Pontiac Grand Prix

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Have a 2004 pontiac grand prix ...heater motor got hot and burnt some of the wires that turn the fan on for the heater and ac to work...if you wiggle the connector it will work and off....what do i need to replace

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The amperes got to powerful to that circuit so the altenators voltage regulator was not operating correctly
you may replace the wires that are fried and also replace the altenator as well

Posted on Jun 05, 2010

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Usually a break down in the Blower Motor "resistor" the resistor is bad, not the blower motor...you may need to unplug the blower motor until you find and install the resistor...your parts store can confirm the right part, and location. Hope this helps.

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I have a 2004 pontiac grand prix with white smoke coming from underneath the hood and tailpipe.


Sounds like you've got a coolant leak. Check the condition of your radiator cap (look for deteriorated rubber, etc). You'll probably also need to top your coolant system off as well. It would help you if you pop the hood before starting the car, start the car and then watch the engine compartment so you can identify where the white smoke is coming from so you'll know what needs repair. No need to be a master mechanic to open a hood and watch an engine for 10-15 minutes...
Also as a last resort if you're having overheating issues but need to drive in an emergency you can turn your heater on full-blast... the heater can act as a supplemental radiator (useful for when the engine fan fails), just turn it to max hot and max fan and roll the windows down as necessary. Turning off the AC and extra electrical accessories helps as well because it puts less strain on the engine accessories, which put additional strain on the motor as it tries to provide power to everything.

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I have an '04 with approx. 79000 miles; the blower is going out on mine too. The motor is probably burned out and you will need to replace it. It's about $90 for the part. Kind of a pain to change; I changed the blower motor on my 97 'prix and I had to lay upside down on the passenger seat and work on it upside down. Other than a little physically uncomforable, not too hard to do.

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I would suggest replacing the blower motor resistor. When this component fails the blower will only work on one spped or none. This is a very common issue with all automotive models

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