LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Rx7 w/ c4 corvette lt1 need harness help

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Old Dec 24, 2007 | 05:33 AM
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SbcRx7's Avatar
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Rx7 w/ c4 corvette lt1 need harness help

I bought a 86 rx7 w/ lt1 swap from 94/95 vette?4l60e.No engine harness in car but had a bunch of conectors and new wires unde the hood,looks like the guy be4 me tryed to make his own harness.Any advice on where to find the harness or is there anybody willing to complete this harness issue for me and ill pay you.Everything else is done(driveshaft,mounts,fuel,coolant)
Old Dec 24, 2007 | 06:28 AM
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1982z28with18s's Avatar
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where you located?
Old Dec 24, 2007 | 06:30 AM
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the factory harness can be had on ebay pretty inexpensively, otherwise, check with painless. they have one, but it isn't cheap.

v8rx7forum.com is your friend.....
Old Dec 24, 2007 | 09:55 AM
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Google LT1 engine harness and you get plenty of help. Also try Granny's Speed http://www.grannysspeedshop.com/ they specialize in RX7 swaps.

Jim
Old Dec 24, 2007 | 11:10 AM
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Speartech.com is another source, they did mine over 6 years ago.
Old Dec 24, 2007 | 02:26 PM
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Im in queens NY 11103
Old Dec 24, 2007 | 09:51 PM
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Most of the harness is a self-contained system. Meaning most of the wires travel between the PCM and the motor. Then there are several wires that go into the "cab" for your gauges, etc... Then there are several wires that go to your relays, power, ground, etc...

Soooo, get a harness off of Ebay. Then use Shoebox's website to research what wires go where.

If I remember correctly, there are three connectors which do most of the work. C210, C220 & C230 (maybe?).

I'm sure that most of the RX7 stuff won't work without some modifications. But 12-volt power is 12-volt power. And you can always go to AutoZone and get some Sunpro gauges to temporarily get the motor running.

Feel free to PM me with any questions.
Old Dec 25, 2007 | 08:07 AM
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Thanks for the help guys if anyone has a harness for me or can make up a harness with what I got let me know tired of this thing sitting in my garage itsmacking me wanna sell it but I realy wanted to get this thing running
Old Dec 25, 2007 | 11:11 AM
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Post up what you've got now. You didn't give us too much detail before. If I were you I would probably start over with a harness of Ebay. Then do your research on the connectors I mentioned above. Once you've gotten your list together, come back and post some specific questions.

I'm sure Painless or maybe some of the other guys posted above would be able to make you a complete harness - but can you afford $750 to shell out on one of those?

If the answer is "yes" then start calling. If "no" then get your butt to ebay or the classifieds.
Old Dec 25, 2007 | 11:26 PM
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Sounds like you took on too advanced of a project for your capibilitys. If you feel you can not finish, sell it how it is.
Old Dec 26, 2007 | 10:52 AM
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What year/model car is the PCM from? The Corvette harness is going to be slightly more complicated than the F-Body harness - single rear O2 sensor, dual knock sensors, engine oil temp, etc.
Old Dec 27, 2007 | 06:57 PM
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94-95 corvette it is now for sale locally unless I can get someone with a harness for it or who can take the conectors I have to make a harness localy.4 sale $1500 its in ny 11103,worth it for the swap alone
Old Dec 27, 2007 | 09:19 PM
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Buy it and we'll walk you through it.
Old Dec 28, 2007 | 07:02 AM
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btw, the corvette accessory bracket will not work in the rx7. you will need an f-body bracket, or custom mount your extras.
Old Dec 28, 2007 | 07:05 AM
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this is what it will look like....

http://i64.photobucket.com/albums/h1...8/IMG_0577.jpg
http://i64.photobucket.com/albums/h1...8/IMG_0578.jpg

shamless excuse to post my pics.... i know!!
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