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Pontiac body & interior repair questions and answers

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  • AutoMD Member
    AutoMD Member - 2004 Pontiac Grand Prix - Body & Interior - 10/30/2013
    Heater blower is not working. heated seats not working
    de froster heater nothing blows out
    • HouseCallAuto
      10/30/2013 HouseCallAuto
      Replace the Blower Motor Control Module. For the heated seats check the 20 amp HTD SEAT fuse in the instrument panel fuse box. If the fuse is burnt it means that you have at least o0ne bad seat heating elemant somewhere. This fuse controls both seats.
  • Rev. charles
    Rev. charles - 2008 Pontiac G5 - Body & Interior - 10/24/2013
    Heat don`t work when you turn them on the interior lights is on
    when I turn on heat seats high or on low the seats don`t heat up
    • HouseCallAuto
      10/24/2013 HouseCallAuto
      Check the 20 amp fuse labeled TRUNK / HTD SEATS in the underhood fuse panel. If the fuse is good see if there is 12 volts at the fuse. if voltage is ok you likely have a bad seat heater element. Yiou did not say if this was happening with driver or pass eat or both.
  • AutoMD Member
    AutoMD Member - 2004 Pontiac Grand Prix - Body & Interior - 10/24/2013
    Dash lights and gauges quit working
    I was driving down the road and all of my dash lights went out and now the gauges are stuck in an upright position. Is this a fuse problem or something else?
    • HouseCallAuto
      10/24/2013 HouseCallAuto
      Heads Up Display is junk but apparently if you Google "grand prix HUD repair" you will no doubt find a suitable page to walk you through a repair of this HUD which you will want to do seeing as how a new display is $250 on the net plus shipping and handling with part # 10387483. Its not difficult and involves repairing a broken spring mount.
  • AutoMD Member
    AutoMD Member - 2004 Pontiac Grand Prix - Body & Interior - 10/24/2013
    Dash lights and gauges quit working
    I was driving and all the dash lights went out and the gauges are stuck in an upright position. What would cause this to happen?
    0 answer
  • AutoMD Member
    AutoMD Member - 2002 Pontiac Grand Am - Body & Interior - 10/20/2013
    Why does nothing work electronically in my car on a cold start?
    On a cold start my gauges and lights don't work. Only thing that turns on is my radio. Not even my heat/ac or whole dash. I have to wait til it warms up. It will drive and then the lights and everything will randomly turn on. Does anyone have any clue what this ...
    • HouseCallAuto
      10/20/2013 HouseCallAuto
      You have a faulty ignition switch. Probability here is greater than 90%.
  • DavPug
    DavPug - 2000 Pontiac Grand Prix - Body & Interior - 9/19/2013
    AC Control Unit Vent Selection Knob
    Blows air just find but cannot change vent selection. The knob turns but doesn't change vent selection.
    • CVO
      9/19/2013 CVO
      The heater A/C control is using a vacuum source to operate the heater defroster valve vacuum actuator - the A/C bi-level mode valve vacuum actuator. Over the time the hose crimps were loose from the AC controller and lack of vacuum source it couldn't operate properly the vacuum actuators.
    • HouseCallAuto
      9/19/2013 HouseCallAuto
      I have seen the plastic knob go bad and actually slips on the selector shaft. Try switching the knob from the temp selector and see if that temporarily solves it.
  • shawnalajackson
    shawnalajackson - 2000 Pontiac Sunfire - Body & Interior - 9/15/2013
    Dash lights and trunk lights do not work
    I have A 2000 sunfire(auto, 4 door). The dash lights and trunk lights do not work( all other lights work). I have changed bulbs and fuses with no results, I also had a friend connect to the computer and no errors there either. At this time I cannot afford to take it ...
    • bear.1216
      9/15/2013 bear.1216
      Your vehicle likely has more than 1 fuse box. Check all your fuses especially for instrument panel and gauges and courtesy lights. The dashboard lights are operated by the headlight switch and dimmer switch. You can test the switches to see if the dash lights are getting power out of the switch. The trunk light is run by a separate switch inside the trunk usually attached to the lock mechanism. Locate the switch and test for power to the switch and thru it to the lights. You should be able to at least identify the wires on these parts by color on the wiring diagrams for the headlights and the interior courtesy lights. Just identify the light on the diagram that is not working and trace the wire to the switch and test for power at every connection.
  • mccatfish55
    mccatfish55 - 2000 Pontiac Montana - Body & Interior - 9/12/2013
    Electrical system/ dash
    Mileage on the veh is 130K. Symptoms are constant.. No check engine but the change oil light did just come on within the last 2 days or 5 miles. The left rear brake light is constantly burning out.. I had the entire assembly replaced a year ago and within 6 ...
    0 answer
  • michael roy
    michael roy - 1999 Pontiac Montana - Body & Interior - 9/8/2013
    My drivers side power window rolls up lopsided how do I get it to roll up right
    Sometimes it doesn't roll up at all
    • Jimm
      9/8/2013 Jimm
      Replace the window regulator. Remove the interior door panel for access to the regulator.

      Check the many on-line auto parts sources, such as;,, and - to list only a few sources. For example, they (Rock Auto) list the driver side front window regulator assembly from around $9.50 for your vehicle.

  • trespass20
    trespass20 - 1995 Pontiac Grand Am - Body & Interior - 9/8/2013
    Cant get flashers to blink and I cant find the problem. Any ideas?
    Replaced blinker switch 2x, and the flasher. All 4 light bulbs are good. Hazards work fine. When you turn on blinker it stays on but dosnt flash.
    • bear.1216
      9/8/2013 bear.1216
      The turn signals and hazards have 2 separate flashers. You may have changed the wrong one. The flashers are likely the same type and are interchangable. If hazards work then switch flashers and try blinkers. These thermal flasher relays burn out often.
    • CVO
      9/7/2013 CVO
      Use the Digital Voltmeter, on the turn flasher the pin A has a 12 volts when the ignition is in run, if it doesn't have enough 12 volts, then the flasher won't toggle. If it has 12 volts, the flasher might be bad.
      The wiring diagrams from the doesn't show any other circuits involved in this blinker.
      Note: the hazard flasher is using a different 12 volts source.
      9/12/2013 trespass20
      There was 2 flashers is why it didnt work to replace the 1 because it was for hazards. Im used to cars having 1. Thanks!!
      9/12/2013 trespass20
      Thanks that was the problem!!! I did not realize there was a 2nd flasher!!!
  • jpro
    jpro - 2003 Pontiac Aztek - Body & Interior - 9/2/2013
    Light for shift went out. manual does not give as bulb or fuse replacement
    bulb or fuse?
    • diyautoelectric
      9/2/2013 diyautoelectric
      try this , they have the most complete information
      Do it Yourself Online Automotive Repair Information. Click Here
    • Jimm
      9/2/2013 Jimm
      The shifter light bulb number is a standard 194. Remove the horseshoe clip on the back of the shift knob with a small screwdriver, remove the two screws that hold the shifter plate and you should have access to the light
  • ross millsaps
    ross millsaps - 1995 Pontiac Bonneville - Body & Interior - 8/2/2013
    Radio.volume goes up and down on its own
    has steering wheel radio controls but not touched and it still goes high or low on its own how can i fix it, is there a fuse?
    • Jimm
      8/2/2013 Jimm
      There is no in-line fuse for the controls. The button contacts were made of a surprisingly soft rubbery compound that literally melted over time. The heat of the incandescent bulbs in the buttons were the culprit. The compound would melt into a gray toothpaste-like substance. There are write-ups for fixes on the web, and on different Pontiac websites. The fix involves cutting toothpicks to length and using them for contacts instead of that rubbery nonsense
  • c.lavigne
    c.lavigne - 2009 Pontiac G6 - Body & Interior - 7/28/2013
    Pass. side mirror not sure if base or GT model
    All I find is 4DR Sedan
    • Jimm
      7/28/2013 Jimm
      Check the many on-line auto parts sources, such as;,, - to list only a few. For example, they (RockAuto) list the outside rear view mirror from around $29.00 for your vehicle. These websites also list mirrors available for both the 2 dr and 4 dr vehicles.
  • rhansber
    rhansber - 1989 Pontiac Firebird - Body & Interior - 7/24/2013
    How do you remove the third brake light for bulb replacement?
    The third brake light is under the has 2 screws on the red plastic lens but removing these does not seem to release the lens for bulb replacement. Any ideas? Thanks.
    • mike hill
      7/24/2013 mike hill
      I have a 91 firebird formula with a/c issues. It only works in max. and I need help with this.
      I do have a leak in the system but, it has nothing to do with what is wrong. It could be the controls. I think I have a used one. That or a vacuum problem or even a relay problem. Not sure. Please any suggestion would be appreciated. [email protected]
      mike hill
      7/25/2013 CVO
      The blower motor is controlled by the blower motor resistor ( Low, Medium Low and Medium high ) and the blower high speed relay.
      Replace the blower motor resistor as necessary.
      Note: you could open your own post and ask for a question.
  • michael roy
    michael roy - 1999 Pontiac Montana - Body & Interior - 7/17/2013
    How do I put up a hanging brake hose to keep it from catching on something on the road
    I have a brake hose that came loose near the driver side rocker panel and I need a way of attaching it to a place underneath the van to keep it from catching on something on the road
    • wbrockstar
      7/17/2013 wbrockstar
      Easiest thing to do is get some zipties from parts store and attach the brakeline to any bracket,hole,etc thats secure enough to hold.If you cant find anything to attach the ziptie to,get a couple self tapping screws and small plastic clips that will loop around brakeline and attach to framerail or underbody