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Headlights not working

The headlights on this 1988 corvette aren't working right both open when you pull the switch when you go to push the switch in to turn them off they won't close you have to unplug the passenger side motor from the plug to get the drivers side to close there's no problem with the motor when you put straight power to it it opens and closes?

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It's grounding out after there open trace the wires looking for exposed or broken wires. Or run new wires

Posted on May 09, 2013


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Posted on Jan 02, 2017

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SOURCE: driver side power window does not work

I had the same problem and found the the plastic clip that holds the window to the guide rails that guid the window up and down was broken. The solution is the window regulator assembly has to be replaced. The cheepest place to find replacement is the salvage yards. Older models will work but some have to be dissemble and make 1 unit out or 2. Another thing that happens is the cables that runs in the tracks get rusted and binds a little, Remove the door panel and lubicate the tracks that the cable travel in, I hope that this will help

Posted on Jan 19, 2009

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SOURCE: power windows

I had the same problem alot with a 95 Windstar. you need to replace some relays in the fuse panel under the dash. it should be labeled on the cover. unfortunately i've since sold the van... but i believe you need to replace the one touch down relay.

Posted on Mar 18, 2009

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SOURCE: one headlight opens and closes slower than the other.

Most of the time you will find that it's rotting rubber hoses. If these have never been replaced, they're 28 years old! Engine heat, exposure to the elements that splash up under the car, and age can rot them.

Also the actuator has a rod that comes out. This rod has a seal around it. The seal rots too. The actuator is the large vacuum cannister, that looks like two pie pans put together. It is down near the headlight. When you have the hood open, look down towards one of the headlights.
Sometimes the vacuum tank develops a hole. This can be patched. It's up on the side of the fender.

Here, let me show you the headlight mechanism,
I use this website for my parts, but this is not a link to them for advertisement. It just shows an exploded drawing, so I can explain better.

B is the Headlight Actuator. See the long rod coming out of the middle? Has threads on the end of it? Where the rod goes up into the cannister, there is a rubber seal. This dries out and cracks, and also wears through time. Corvette parts places (At least online I know they do) sell this rubber seal.

There is also a small check valve that can go bad.
You can buy the vacuum hoses in a kit. They are color coded, and have replacement instructions.

To review:
1.Check all vacuum hoses for drying and cracking. Actually squeeze them, don't just look at them. If they have a crack from your squeezing, they're shot! (You might find that some just crumble in your fingers! Oh, by the way. Dawn dishwashing soap, or GoJo takes that black rubber residue off of your fingers)

2.Start the car, let it build up vacuum. Shut the car off, and use the override switch, (Knob under the headlight switch you pull), to keep the headlights in an up position. Put your finger on that actuator rubber seal I described above, and see if you feel a vacuum leak.
If so, replace the seal.

3.It's a good idea to replace the check valve,

4.It's also a good idea to replace the vacuuum filter,
(Vacuum reserve check valve air filter)

Posted on Apr 18, 2009

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SOURCE: vue 2003 driver side power window not close or open completely

window motor

Posted on May 23, 2009

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SOURCE: Corvette Headlight Motor Problem

Corvettes have a gear box on that motor. It has plastic gears in it. You probably have a gear stripped in that gear box, that lets the motor spin free. You can get repair parts to repair it, or replace the whole motor and gear box. Its an easy fix if your handy. Read all the instructions before you start.

Posted on Jun 22, 2010

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Hi, my 1988 c4 corvette dashboard lights seem to turn off as soon as i turn my headlights on, my dim switch doesnt seem to be doing anything. what could be the problem and the solution? can someone please...

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The DRL's are separate from the actual headlights. It sounds like your headlights aren't working at all. The first thing I would check would be the headlight fuse(s), or relay(s). The location for these should be in your owner's manual.

Hope this helps!

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Check your fuses for the motors, then the wiring. I am guessing it would be one of those and not the motors because both are not flipping open, right?

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