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Old 10-10-2011, 04:18 PM   #1
pat565
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best wiring choice with a swap

If I want to update the stock wiring, is there a stock replacement harness that makes the few connections to a LS swap easier. I have a 5.3L with a 4L60E going in place of the 400 and th350

My thoughts for this are the alternator upgrade, and the neutral safety/reverse light switches
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Old 10-10-2011, 08:14 PM   #2
BR3W CITY
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Re: best wiring choice with a swap

Not sure what you mean by a stock replacement, but you can have a harness made to eliminate the un needed connections that many stock harnesses have when put into an older vehicles. I got mine from fuel injection connection, but there are a number or companies that do it.

Or are you looking for a year-specific harness for the swap?
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Old 10-10-2011, 10:20 PM   #3
pat565
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Re: best wiring choice with a swap

I'm looking for a year specific (1971) to rewire the truck front to back to get rid of the brittle, crusty old wires.
The harness for the LS engine I will buy new from another source.

My idea is to buy the truck harness right, so that there is no need to redo connections like the alt plug, if possible.
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Old 10-11-2011, 02:10 PM   #4
BR3W CITY
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Re: best wiring choice with a swap

Quote:
Originally Posted by pat565 View Post
I'm looking for a year specific (1971) to rewire the truck front to back to get rid of the brittle, crusty old wires.
The harness for the LS engine I will buy new from another source.

My idea is to buy the truck harness right, so that there is no need to redo connections like the alt plug, if possible.
i feel you on this one brother. my 66 was a cobble of wire, and the main fuse bloc actually melted down, creating some interesting issues. We had to re wire the whole thing, and we did so 1 wire at a time. I can see why you want a new body harness.
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Old 10-11-2011, 12:08 PM   #5
Clyde65
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Re: best wiring choice with a swap

I would suggest American Auto Wire, also you can call them and ask if certain wires could be put into a connector for your swap connections, like constant power, ign power, and such.
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Old 10-11-2011, 10:31 PM   #6
pat565
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Re: best wiring choice with a swap

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I would suggest American Auto Wire, also you can call them and ask if certain wires could be put into a connector for your swap connections, like constant power, ign power, and such.
Thanks. Their stuff looks like what I am looking for
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