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custom efi wire harness
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wayfarer
Posted 2016-10-04 5:33 PM (#522654)
Subject: custom efi wire harness



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Location: Peoples Republic of Oregon
Is there any interest in developing a listing of what companies/individuals
are making wire harnesses for newer engine/trans combos for swap projects?

Do you have a name/number for your chosen supplier?
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ttotired
Posted 2016-10-04 6:28 PM (#522659 - in reply to #522654)
Subject: Re: custom efi wire harness



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Looking at the same thing over here for the LS (GM) series of engines. as well as the electronic transmissions

I lost contact (so to speak) with the run of car car development, so I am having a learning curve at the moment to catch up

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Phatton
Posted 2016-10-12 8:56 AM (#523261 - in reply to #522654)
Subject: Re: custom efi wire harness


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I put a 5.7L hemi with a 545RFE auto trans and computer from a 2005 Dodge half ton pickup in my 1974 Challenger. The folks at hotwireauto.co in AR. provided the wiring harness. It was not cheap, but had good instructions, all connections labeled, and outstanding tech support.
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Old Ray
Posted 2016-10-12 11:26 AM (#523276 - in reply to #522654)
Subject: RE: custom efi wire harness



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Location: Invermere B.C. Canada - Rocky Mountains

wayfarer - 2016-10-04 3:33 PM Is there any interest in developing a listing of what companies/individuals
are making wire harnesses for newer engine/trans combos for swap projects?


YES, please! 

wayfarer - 2016-10-04 3:33 PM Do you have a name/number for your chosen supplier? 

No, not done yet, need info on a 1992  5.2 Dakota into Forward look??? Thanks. 

 

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wayfarer
Posted 2016-10-12 12:09 PM (#523284 - in reply to #522654)
Subject: Re: custom efi wire harness



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Old Ray, I found this info awhile back but not sure if there are any current-day updates:
http://www.forabodiesonly.com/mopar/threads/5-2-5-9-magnum-efi-plug...

and that is partly why I asked the opening question, that, and with hopes of a landslide of info....oh well...back to mr. google.
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Old Ray
Posted 2016-10-12 5:14 PM (#523315 - in reply to #523284)
Subject: Re: custom efi wire harness



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wayfarer - 2016-10-12 10:09 AM

Old Ray, I found this info awhile back but not sure if there are any current-day updates:
http://www.forabodiesonly.com/mopar/threads/5-2-5-9-magnum-efi-plug...



Wayfarer, thank you for the information, it was very helpful and informative and will be
of great assistance to me.

Because his harness was for EFI magnum into A body cars specifically and I am doing more of a street rod type thing and have a running donor vehicle, I am wondering if the complete engine EFI electronics and wiring can’t just be moved over with the engine / trans and the unnecessary circuits hidden away and eventually removed.

I’m probably being to optimistic (as usual) but get it running / driving first BEFORE cutting any wires out!

It was ironic and amusing to see his recommendation on which high pressure fuel pump to use, that was my original complete donor car but I couldn’t bring myself to use it, got cold feet and saw the light. (Might use the gas tank c/w pump though)

I could not find his listings for the harness for sale on eBay anymore, so he must have got his nursing degree (You will have to read the post to understand).
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Powerflite
Posted 2016-10-12 10:15 PM (#523332 - in reply to #523315)
Subject: Re: custom efi wire harness



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If it's for an older car, I prefer just to use an aftermarket system anyway. That way you can use your original motor without all the plastic crap on it and you can make changes to the system without having to re-map everything because aftermarket systems are self-learning these days. Just a better way to go on classic cars. But if I did want to run a newer motor in an older car, I wouldn't even think about it unless I could get an aftermarket controller that would allow me to untie the car from the OEM system. It is more expensive this way, but better off in the end.
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wayfarer
Posted 2016-11-06 10:05 AM (#525436 - in reply to #522654)
Subject: Re: custom efi wire harness



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Well, looks like MaMopar has done some of the work for us.......
http://www.thedrive.com/vintage/5846/mopar-will-sell-you-its-sema-j...
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Old Ray
Posted 2016-11-06 8:19 PM (#525469 - in reply to #522654)
Subject: Re: custom efi wire harness



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Thanks for posting.
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mstrug
Posted 2016-11-06 9:55 PM (#525474 - in reply to #522654)
Subject: Re: custom efi wire harness



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Sometime the simplest solution is the best. This system minus a pump cost less than some Harnesses. You would need a 4 barrel intake manifold though.

http://www.jegs.com/i/FITech+Fuel+Injection/546/30003/10002/-1?CAWE...

These can be found on sale and Ecklers has them for LGC/vette club members for $717.00 or so. Then you can deal with the tranny.

Edited by mstrug 2016-11-06 9:56 PM
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57chizler
Posted 2016-11-08 2:29 PM (#525605 - in reply to #522654)
Subject: RE: custom efi wire harness



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If I was gonna do it, I'd go with Phatton's suggestion and use hotwire.

http://www.hotwireauto.com/?page=sales-dcx
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