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88 Headlight Module Kills Battery by spark1
Started on: 12-28-2003 12:05 AM
Replies: 3
Last post by: spark1 on 12-28-2003 09:46 PM
spark1
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Report this Post12-28-2003 12:05 AM Click Here to See the Profile for spark1Send a Private Message to spark1Direct Link to This Post
Iím almost certain that the headlight control module on my 88 Fiero is defective. Symptom: right headlight motor partially energized at all times, not enough current to operate the motor but enough to drain the battery if the car isnít used for a few days. The headlights operate normally; no problem with the motors or lights. My question is: must the left front fender be removed to replace the module? A photo at Ogreís Cave shows the module with the fender removed but Oliverís article http://www.fieros.de/en/articles/headlight.html suggests that the module can be accessed by removing the wheel well.
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Gordo
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Report this Post12-28-2003 02:01 AM Click Here to See the Profile for GordoSend a Private Message to GordoDirect Link to This Post
All you need to do is unhook the front of the plastic inner fender liner and pull it back.
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theogre
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Report this Post12-28-2003 01:00 PM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreDirect Link to This Post
That does sound like a bad module. hopefully it hasn't burned the motor. You might want to dig around for spares or at least a source of them just in case. You could need them in the not distant future.

The car in the cave picture had the fender off for other work. It was a good clear picture I was given to show the module location.

The fender can stay on.

The inner fender is pretty flexible. You may want someone to help hold it while you work. The edge of the plastic is pretty rough and can scratch you up good.

If you have a stubby or right angle tool, I think you can reach it from under as well. Either one is fairly awkward.

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spark1
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Report this Post12-28-2003 09:46 PM Click Here to See the Profile for spark1Send a Private Message to spark1Direct Link to This Post
Thanks Gordo and Ogre. Thereís zero information about the module in the Haynes or Chilton books. Itís probably in the Helms but most of us donít have one of those.
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