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

Headlight conversion 3 wire to 2 wire?

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Old Feb 4, 2006 | 07:35 PM
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Default Headlight conversion 3 wire to 2 wire?

Have a set of '90 2 wire headlights to replace 3 wire setup in my '87.
Has been documented here before but can't find anything in search.

Anybody got some tips or a tech page?
Have all '90 parts and wiring; no '90 FSM to check motor rewiring details.

Last edited by rodj; Feb 4, 2006 at 07:43 PM.
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Old Feb 4, 2006 | 08:16 PM
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rodj, is it possible these connectors are the ones you need to make it work? They were part of a harness I put into my '86, I have three wire headlights so I don't need them.

I think they *may* be adapters to connect three wire headlights to a two wire harness.

Let me know if they look like what you need.



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Old Feb 4, 2006 | 08:34 PM
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Thanks for your offer.
I have all the parts needed , just require info on the rewiring of the control module.
Will use the 2 pin plug you show on 2 of the 3 existing wires to power the new motors .
3 pin headlight plug you show is same as '87.
Need to know how to rewire new control module to '87 wiring.
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Old Feb 4, 2006 | 11:29 PM
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ttt
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Old Feb 4, 2006 | 11:42 PM
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I had the entire headlight upgrade info/manual scanned once before.Let me see if I can find it.
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Old Feb 5, 2006 | 12:28 AM
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Hey Rodj,
I found the file but would need to send you it page by page via email...can you email me your addy?
Mines cleary321@aol.com

Email me the OK and I will send you the pages.

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Old Feb 5, 2006 | 01:42 AM
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Email sent,
thank you sir.
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Old Feb 5, 2006 | 02:32 AM
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Bill
I'd like to take a look at that also. My '87 has been converted by the previous owner. I had a problem with them last week, but it turned out to be the three bushings that sit inside the gear recess. When I took the gear cover off, I was able to pour the bushings out into a pile of granulated dust.
roadruner@earthlink.net

Thanks
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Old Feb 5, 2006 | 03:25 AM
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The 3 bushings are like $5 from Ecklers ;
the plastic gears for the early lights run $40 that is why I am converting mine.
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Old Feb 5, 2006 | 01:24 PM
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Hey guys,
Went to bed last night and didnt get a chance to do this thing by email yet.Im not able to compress all the files into one zip attachment or etc yet...so may have to send ya a few emails.Let me get to ya when I can.
Thanks.

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Old Feb 6, 2006 | 01:42 AM
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Received info , nice work.
Thanks.
Where was the conversion kit from that the info came out of ?
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