Question about 2005 Pontiac Grand Prix

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2005 grand prix heater problem! Heater won't turn on at all. Car has many fuses under hood and inside, including relays. Which fuse number or relay number do you think it is?

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I had the same problem, disconnect the battery cables and check your cabin filter that's what usually cause it. It should start back working once you connect the cables but make sure to check the cabin filter and replace if needed.

Posted on Oct 31, 2010

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Where is a fusible relay located on a 98 grand prix gt?


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1 Answer

When i turn on the wipers ,the heater blower goes


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Horn on 99 Grand Prix stopped working. When pressed, I hear NO clicking or indication of action. I replaced the fuse. No Luck. Don't know where to look for the relay.


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1 Answer

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