C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

C4 HEADLIGHT MOTORS RUNNING

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Old Aug 24, 2003 | 04:51 PM
  #1  
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cliff64
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From: Findlay OH
Default C4 HEADLIGHT MOTORS RUNNING

OK, I'll buy that the reason that the motors keep running, after the headlights are up or down, is the motor bushings... However, when I only have the parking lights on and then turn them off, the headlight motors run for about 3 or 4 seconds.... Just turning the parking lights on and off should not run the headlight motors.... And, sometimes the headlight motors run just from starting the engine or shuting it off.... That sounds like electrical to me... But what is causing it??

I checked the archives and found some info on a box under the hood infront to the drivers side front tire with the word GUIDE on it but I cannot locate such a box and the service manuals do not disucss running headlight motors...

Help!! And, Save the Wave

:seeya
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Old Aug 24, 2003 | 05:36 PM
  #2  
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Kens86
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From: Orange Park Fl
Default Re: C4 HEADLIGHT MOTORS RUNNING (cliff64)

Had a similar issue with the headlights on my 86, I had to call Mid America to get this part (head light control module). They have it, but not in the catalog and it cost near $100 + if I remember correctly. Anyway, replacing it did not fix the problem, the resolution was with the bushings that cost around $12. I would recommend you do this first.

Good Luck!
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Old Aug 25, 2003 | 01:33 AM
  #3  
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93LT1
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From: Florida
Default Re: C4 HEADLIGHT MOTORS RUNNING (cliff64)

Yep ! Bushing are on it's way out. Let me know if you need bearings. (the plastic sleeves attached to the motor shaft)
Hank
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Old Aug 25, 2003 | 07:25 AM
  #4  
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90EXPVette
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From: Grovetown Georgia
Default Re: C4 HEADLIGHT MOTORS RUNNING (cliff64)

It just the bushings. I also heard the headlight motors running without flipping the lights before I changed mine. Must to part of a system check to ensure they're fully closed or something.
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Old Aug 25, 2003 | 09:05 AM
  #5  
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Stingraynut
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From: Cairns Australia
Default Re: C4 HEADLIGHT MOTORS RUNNING (90EXPVette)

I just noticed the same thing two days ago - jeez this vette will drive me crazy and I was already half way there without anyhelp.

Do I have to replace the complete car , bit by bit, to get a everything working ?

My symptoms were -I turned the fog lights on and when I turned them off I heard the RH headlight motor run for a few seconds. I turned on the headlights and when I turned them off the RH motor continued running for several seconds after they closed - is this the same thing ?

If so which bushings are they ? my vette is an 88.

TIA

S'nut.
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Old Aug 25, 2003 | 09:45 AM
  #6  
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jimmyd
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From: Nashville Tennessee
Default Re: C4 HEADLIGHT MOTORS RUNNING (Stingraynut)


Do I have to replace the complete car , bit by bit, to get a everything working

Maybe, I fill like I'll probably have to.

My symptoms were -I turned the fog lights on and when I turned them off I heard the RH headlight motor run for a few seconds. I turned on the headlights and when I turned them off the RH motor continued running for several seconds after they closed - is this the same thing ?

YES

If so which bushings are they ? my vette is an 88.
TIA
Get the bushing repair kit from one of the vendors.
good luck.
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