Wire harness sources

ECUs, lighting, alternator, starter, dash instruments, etc., we'll figure it out.
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Wire harness sources

Postby Midlana1 » 03 Mar 2009, 18:51

I haven't decided which to use yet. I used the Painless product on Kimini and have mixed feelings (which probably applies to the others, too) because their touted user-friendliness is lost on us since we aren't rebuilding a GM car. Many of the wires won't apply since we don't have power door locks, electric windows, power seats, etc. That said, if you use a GM light switch, windshield switch, and turn signal switch, it will make things go fairly smoothly. For some dumb reason the Painless product didn't come with a schematic of the fuse block. For (at the the time) $250 you think they could have included one.

The book will indicate how many circuits are used and wiring diagrams - I'm not giving away all my secrets!

Anyhow, I'll add to this as I find more:
http://www.thehoffmangroup.com/keepitclean/product.lasso?prodinc=wirepanelsystems
http://www.painlessperformance.com/
http://www.hotrodwires.com/
http://www.ezwiring.com/wiring_harness.html
http://www.itsasnapwireandcable.com/wiper_kits.htm
http://www.rebel-wire.com/

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Re: Wire harness sources

Postby justin.s.gray » 27 Mar 2009, 09:33

FWIW, I competed in the GRM 2000$ challenge for three years in College. Since we were under a tight budget, and were using the Megasquirt ECU, we decided to re-use wiring from the car's original wiring harness. (which, in a moment of "pure genius" we decided was too heavy and needed to be completely removed). It was a bit of a slow process, but we unwound the harness and re-used the wires. It turned out to work well, because we ended up with long runs of wires with lots of different colored insulations. That made it easy to keep things strait.

Then again, using old wire is sorta asking for trouble! So, the next year we started using this instead:
http://www.kroy.com/industrial/5100spec.asp or http://www.kroy.com/industrial/4100spec.asp
they are a little pricy, but worth it so that every wire is labeled. I like to label at least on both ends and usually once in the middle!

it is a really cool label maker that can print on shrink wrap tubing. Works like a charm for labeling everything!
here are the shrink tube options:

https://buy.kroy.com/shopkroy/dept.asp?dept_id=2240

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Re: Wire harness sources

Postby ekim952522000 » 27 Mar 2009, 11:37

One of the best places for wiring for Honda's is.
http://www.rywire.com/store/index.php
Mike Uhlinger
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Re: Wire harness sources

Postby Midlana1 » 07 May 2009, 18:48

This place is interesting http://enginewiring.com/

You send them your ECU and engine harness and they send back a modified version so you can run it in your project. Not sure if it's applicable to OBD2 engines (I didn't read through the entire site.)

If it is OBD2 applicable, there'll be lots of engine codes thrown due to mods necessary to get it into a project car (no cat or fuel tank circuitry.) They may modify the ECU to turn off these error codes. However, due to using a different intake and exhaust, it's likely the fuel map will need to be changed, which I don't think they mess with. This route may become a lot more pricey if you have to get it tuned, or worse, realize that that an aftermarket ECU is still necessary for the tuning ability.

If you go down this road be sure to check out exactly what you get back and how tuning is accomplished.

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Re: Wire harness sources

Postby ekim952522000 » 23 Jul 2009, 13:35

ekim952522000 wrote:One of the best places for wiring for Honda's is.
http://www.rywire.com/store/index.php


I just read the recent entry Kurt Give, these guys a call and talk to them before you decide on engine wiring. I know a lot of racers that use them, myself included and have always had good luck with them, they should be able to make you a harness.
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Re: Wire harness sources

Postby Midlana1 » 24 Jul 2009, 07:38

It's not like I'm connecting a mismatched ECU to a strange engine; both are made for each other and it'll plug right in. The questions start when trying to figure out whether I need certain wires and what they go to. I know I'll end up using a subset of the wire harness, the trick is figuring out what to cut off and what stays.

I just ordered an Electrical Troubleshooting Manual for the Acura RSX which contains all the schematics. When building Kimini, having this book was priceless. It's the ultimate source for figuring out all the wires. http://www.helminc.com/helm/product2.asp?class%5F2=AHA&mk=Acura&yr=2004&md=RSX&dt=Electrical+Troubleshooting+Manuals&module=&from=result&Style=helm&Sku=61S6M00EL&itemtype=N&mscsid=52X8SJSLKE8L9HWXHMQXX9EMRR55BHUC

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Re: Wire harness sources

Postby Midlana1 » 28 Jul 2009, 14:13

Though not suppliers of wire harnesses, this place has good prices on other automotive wiring needs, relays, connectors, switches, etc. Much cheaper than Painless Wiring: http://www.wiringproducts.com/contents/en-us/index.html


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