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

Headlamp Module??

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Old Sep 28, 2021 | 05:43 PM
  #1  
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Default Headlamp Module??

Hello everyone.
I got one for you and hoping someone can help. The motors on both headlamps work great. The passenger side will not work!
When I take that motor and connect to the drivers side it runs! both sides are getting power as tested with with a test lamp.
Can it be the module? are there two modules? can one side of a module quit? thats if there is only one
1988 c4
93k

call me confused but thankful
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Old Sep 28, 2021 | 06:29 PM
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Just as an aside, I replaced my control module brand new a couple of years ago. It was over $100 if I recall correctly.

It didn't even last a full year before the solder started breaking.

It was a Chinese made import. Which I think they all are now.

I ended up buying a thirty year old used one from a forum member after the new one went bad.

It's still working just fine.

Sticker on the thirty year old used one says Made In U.S.A.


I had the same problem. Passenger side wasn't working. It was the control module.

Last edited by Natty C; Sep 28, 2021 at 06:37 PM.
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Old Sep 28, 2021 | 07:23 PM
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Default module

Thank you guys! very cool!. I just got this 88' It was sort of a barn find. Had mice living in it etc. Seems to have some of the usual problems but im handy.
next is the faded dashboard, get the fuel gauge working etc. The last Corvette I owned was a 62' miss that car. Im 68 now and cobbled my pennies
together and got this one.
Thanks again
Bob
,
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Old Oct 2, 2021 | 07:52 AM
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Default Update!

I have a used module coming to me this Monday, Cant wait! Took apart the old module and found a "frosty" bus in it. The problem? I read somewhere that as they get older the light
motor draws more energy, especially if that motor/gear is not right. Makes sense ...yes?

As an aside, I started a complete tune-up. started on the passenger side, what a PIA!.
When I got the car, I immediately put it up on jacks, took the wheels off, and right now the car is pretty much in pieces.
Repaired the VSS, Brakes with rear calipers (frozen). Dash, console, front seat all out of the car. No not a resto, just mechanical
reliability .........for now.
Still got to figure out my always on E gas gauge, Ohmeter says 90, (Filled it up on way home).
Got the kit from Batee, so I can see the dash
Oh yeah, fun fun fun........Yes??/no?
Till next time
Bob

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