C4 CORVETTE HEADLIGHT ISSUE..........HELP PLEASE!!!! NEED EXPERTISE ON THIS

285

Asked by Jan 14, 2016 at 09:37 PM about the 1988 Chevrolet Corvette Coupe

Question type: Maintenance & Repair

My 1988 Corvette Coupe's Driver's headlight goes down and up like normal EXCEPT for when I turn the headlights off the motor sounds to be staying on for 5 seconds and then stops...  It's like a clicking sound..  Any ideas on how to fix this?   Like I said above, the motor works still and does what it's supposed to do except for it keeps running or clicking for the 5 seconds.  Need help!  Thanks.

15 Answers

60,135

Check the headlight motor relay,may be just sticking making it click if it works right.

Best Answer
60,135

Relay,

Best Answer
285

You think it would be the relay even though the motor still works? Isn't the relay a little black box like a switch? Thanks.

285

Yup, you just posted it the relay. That's exactly what I was thinking of... Do you believe this possibly could be it or the motor gear and bushings?

285

Seems like the motor gear is slipping that's what it sounds like... I see on Corvette Mods they have a replacement for 60 bucks. But want to see if anyone else had this same issue first before I went and bought this part and made it a weekend job... lol

1 out of 1 people think this is helpful.
60,135

Change the relay,it keeps the power to the motor,making it do that.

1 out of 1 people think this is helpful.
60,135

The relay is probably sticking making it run longer than needed.

1 out of 1 people think this is helpful.
285

That's what I'm going to do.. Just need to find one now for my '88 -- I see all '87's but not for '88. Figures. Thanks for all your help!

1 out of 1 people think this is helpful.
60,135

Your welcome,

285

Of course can't find an '88 relay...

1 out of 1 people think this is helpful.
285

Is this what I need? I believe so. It's called an isolation relay... Found it! http://www.ecklerscorvette.com/corvette-headlight-isolation-relay-1984-1988.html

1 out of 1 people think this is helpful.
60,135

partsgeek has it also.

1 out of 1 people think this is helpful.
19,735

thats right..no?...but what do i know

285

Does anyone know where the isolation relay is located in my 1988 Corvette?

1 out of 1 people think this is helpful.
285

Nice car! I like the brake caliper covers in red!

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