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Old 04-27-2005, 07:31 PM
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Complete Rewire

I haven't messed with electrical systems a lot. I'm a much bigger fan of turning wrenches, but my little pony is in dire need of an entire rewire. I know I could order harnesses from a mustang parts place or a painless system, but there are two downsides to that. One I'm a collage student without a lot of money, like that even needs to be said and I want to be able to say that it MY wiring job. I have a few questions to start. Where is the best place to start? I'd also like to know how many electrical devices are on a car (i.e. horn, head lights, fuel pump, fan, gauges, radio, dome lights, tail/ brake lights). Please tell me anything I'm forgetting. Thanks for all your help.

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Old 04-27-2005, 07:36 PM
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um, are you saying you want to make a hraness? there is alot involved there. what is wrong with your old harness? i would recomend getting one from the wreckers if you need a replacement.
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Old 04-27-2005, 07:57 PM
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When I bought the car it had been modified significantly. It has a 428 cobra jet (not nearly stock), a 4-speed top loader (not stock, it was an automatic), and a 9 inch rear end (agian not stock). The harness was hacked for a fuel pump, a couple radios, quite a few random guanty guages, and who knows what else. I just want it to be clean and right. It's shorted out once or twice. I figure I can do it once and I can do it right.
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Old 04-27-2005, 08:00 PM
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ah, that does change the story a little. do you have another vehicle? can you afford downtime? it is possible, but will be a biatch to do. why not pull the old harness, it seems to work, and fix/replace all the bad wires and conections.
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Old 04-28-2005, 04:59 AM
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Rewire

Doc here,

You CAN do a total harness yourself....

But before you consider it,There are a few downsides.....

You need a place to down the vehicle for a period of time...and more space to lay out a plywood template..

The cost will far outweigh a painless harness when all is said and done...bulk wire alone will run about half the price of a pre made harness.. not to mention connectors, Harness construction supplies like heat shrink, clamps, anti chafe, markers, ties, ect...Unless your planning on doing 3 or 4 a year..It's not worth buying all the bulk supplies..and having all the left overs..

You can score a painless for about $200.00 now, (price a couple of 500 foot rolls of bulk wire just to get an idea..and you'll need white, black, red, yellow purple, pink, just for starters..) Or a bone yard harness for far less...PLUS if you remove the bone yard harness you'll have more insight when installing the harness in your car...

Think about it, price your supplies and post back your answer...then I'll tell ya how to build one if your still intent on doing it..

Doc
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Old 04-28-2005, 09:12 AM
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I did the EZ-Wire kit on my truck ... I believe this route is a whole lot easier than creating your own harness.

HERE'S the kit I bought ... only $165

And you can see all my notes on my wiring project HERE

Alan
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Old 04-28-2005, 09:36 AM
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I'll join the chorus; don't try to make your own harness. Buy a Painless or EZ harness. I used to make my own harnesses when there weren't all the great after-market ones there are now. My home-made ones, a) cost more than the commercial ones, b) took MONTHS to build and install, c) used inferior materials to the commercial ones, and d) weren't as reliable as the commercial ones. I have never found hookup wire the quality of the commercial harnesses. All the wire I have found has thin cheap vinyl insulation whereas the commercial harnesses have thick tough 'teflony' feeling insulation with the huge benefit of circuit identification marking all down its length. Finally, I have NEVER found all the colors and striped wires needed to match a Ford or GM harness. Trust me, when it comes to trouble shooting, the more colors the better!!

As older HR.com members know I am the "Mr. Pick-A-Part", DIY king. I buy few if any pre-made parts but I make an exception when it comes to wiring harnesses.
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Old 04-28-2005, 12:50 PM
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Wiring

Down the road I am facing a complete wiring job and I will get a harness from either painless or ez wire..By the time you pull one out at a wrecking yard you will be wishing you had gone the easier way and those harnesses are not any better than what you have now..

Some thing you are just better off getting a good one from the get go..

OMT
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Old 04-29-2005, 10:18 AM
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thanks for all the help I think I'm going to go with an EZ-wire kit. I'm just a little slow to buy something if I think I could make it.
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Old 04-29-2005, 03:05 PM
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cool, let us know if there are problems. and about the making before buying, its not a bad mentality, you learn ALOT that way. good luck mate
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Old 04-29-2005, 05:05 PM
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Kit

Quote:
Originally Posted by Knight_Mare
thanks for all the help I think I'm going to go with an EZ-wire kit. I'm just a little slow to buy something if I think I could make it.

Doc Here,

Glad to hear you decided to do the kit instead of the scratch method.

Doing one from scratch is OK for a Bucket T or other retro rod, with limited circuits, but a pain in the *** on a modern vehicle. (like a 21 circuit fuse box)

I think you will be happy with the results, both now and years later...

Read all the literature before you start, and if you have any questions were all here for ya!

Doc
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