best wiring choice with a swap - The 1947 - Present Chevrolet & GMC Truck Message Board Network

pat565 · 10-10-2011, 04:18 PM

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

BR3W CITY · 10-10-2011, 08:14 PM

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?

pat565 · 10-10-2011, 10:20 PM

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.

**Clyde65** · 10-11-2011, 12:08 PM

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.

BR3W CITY · 10-11-2011, 02:10 PM

Quote:

Originally Posted by pat565

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.

pat565 · 10-11-2011, 10:31 PM

Quote:

Originally Posted by Clyde65

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

10-10-2011, 04:18 PM	#1
pat565 Registered User Join Date: Jun 2011 Location: Wembley, Ab Posts: 53	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

10-10-2011, 08:14 PM	#2
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	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? __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

10-10-2011, 10:20 PM	#3
pat565 Registered User Join Date: Jun 2011 Location: Wembley, Ab Posts: 53	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.

10-11-2011, 12:08 PM	#4
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,539	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. __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*



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