Question about 2002 Pontiac Grand Prix

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The back up lights dont go on and the trunk dont open by the button and the fusis good and lights not burned out

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You need to check in the wire harness running to the trunk lid for brakes in the wires.This happens from opening and closeing the trunk so I would check at the pivot point where the wires bend the most.If not a broken wire look for a bad ground wire to the chasis.

Posted on Jan 31, 2010

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2004 A4 Tail Light replacement.


If you are still looking for the resolution, it's really pretty simple. It is highly recommended that you remove one light assembly at a time, thus allowing you to have a good guide when repositioning the assembly back on the vehicle body. Yes, the only way to get to the burned out bulb in the taillight is to remove the whole darn thing! The bulb burns out every 4-5 months, so I have become good at it...Here goes:

1. Open trunk. Look for small (3" diameter) cutouts in the fabric panel in the trunk liner. They are identical and appear next to the taillight assemblies, on the side, not behind the taillight.
2. Gently use a flat blade screwdriver and pry them open. These cutouts are attached to the inner trunk liner fabric, so be gentle.
3. Notice the phillips head screw inside the opening. Unscrew it slowly, making sure it doesn't drop between the chassis and the trunk liner. Remove the screw.
4. Place soft towel on the outside of the car under the taillight assembly, to prevent scratching the car bumper.
5. Gently grab both sides of the taillight assembly from the outside and pull away from the car (rear direction. Be careful not to pull too hard, or the wiring harness behind the assembly may break.
6. You can now access all lamp in the taillight assembly. Change the bulbs as needed. Also, if you can vacuum or clean the dirt on the chassis as well as on the back side of the taillight assembly, you'll feel better later :-)
7. Placing the taillight assembly back in its place is a bit tricky. It seems to go back easily, but the rubber lining nearest to the trunk opening and where the phillips head screw is, must be placed exactly right or water will leak behind the assembly.
8. Screw in the phillips head screw, but don't overtighten it. You will need to open it every 4-5 months to replace another bulb (its an Audi-VW plan to sell more bulbs).
9. Snap the trunk liner caps back in place and voila, you have done it.

Aug 13, 2008 | 2004 Audi A4

1 Answer

Trunk will not open


I had the same trouble with mine. My husband took a test light and checked to make sure there was power going to the push button. there was power so he climbed threw to the back and popped it from the inside. we found out that the wire in the back was being kinked by the tailgate. so it was shorting out. He just ran a new one and now it works great but still my key dont work lol but atleast the button does. give that a shot i hope it works foru too

Jul 28, 2008 | 1991 Chevrolet S-10 Blazer

1 Answer

Trunk release, interior lights, locks etc does not work


Hi,

To open the trunk, you could try:
1. using the key, push down on the back of the trunk while turning the key. A word of caution and try not to force otherwise, the key might be twisted cut;
2. use the automatic trunk opener (in the glove compartment). You would need someone to press down on button while another is pushing down on the back of the trunk;
3. alternately, there are some models where the rear seats fold down and opens into the trunk.

On the fuse/interior lights and locks, if you have replaced with a known good fuse and problem persist, it may be caused by:
a. corroded or loose fuse holder;
b. corroded or loose fuse block connector;
c. corroded or loose harness connector (unfortunately inside the trunk);
d. defective wiring harness;
e. loose ground.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jun 15, 2008 | 1995 Dodge Intrepid

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