Question about 2003 Pontiac Grand Prix

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Rear Defroster Problem

I have a 2003 Pontiac Grand Prix Gt. The rear defroster does not work. The light on the HVAC doesn't even come on. How can I get it working. Expensive to fix?

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  • corey0602 Sep 12, 2009

    Yea the fuse is good.

  • frettin2000 May 11, 2010

    Did you check the fuse?

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  • Master
  • 1,111 Answers

1 st of all check all the fuses if all are good it may be the switch itself .......if you are referring to just the defroster ensure both connections are connected to th rear window if there are any breaks in the defroster lines as you will they sell a metal fill type repair kit not expensive and with the use of tape and this mixture you can easily repair the breaks in the defroster lines ........but first ck your fuses and connections maby determine with the use of a test light and check for power at both the switch and the rear wire connections for power to them otherwise it is most likely the switch

Posted on Sep 12, 2009

Testimonial: "Thank you. There's power at the fuse and power up to the switch is good. No power at the rear tab or grid so I guess I need a new switch."

  • Duane Morse
    Duane Morse Sep 12, 2009

    have you checked for rower to the switch as well as power to the rear defroster wire?

  • Duane Morse
    Duane Morse Sep 13, 2009

    if there is power to the rear tab the issue will be the metallic lines that run through the maze ot reach the other sounds like tome a repair kit as i stated earlir is fairly inexpensive and a tape line to achieve the straight line while applying the mixture is suggested .especially if you have power to the switch and to the rear tab

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1 Answer

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