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Old 04-27-2017, 04:59 PM   #1
stenbrin
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Wiring Harness

I'm looking for the best wiring harness for my 68 K20. My first instinct was to just get a painless, but my buddy said that they are anything but painless.
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Old 04-27-2017, 05:11 PM   #2
WarMonger
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Re: Wiring Harness

AAW American Auto Wire
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..................... ____
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Old 04-27-2017, 05:12 PM   #3
K10Kent
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Re: Wiring Harness

I'm currently in the middle of a rewire project on my 71 K10. I went with the classic update kit from American Auto Wire. I've never done a job like this before now and I will say that it took some time for me to get used to it. I wouldn't say the directions are crystal clear or step by step. They leave a lot up to you since there's variation in the trucks. I will say that AAW has been great when I call so you have that to fall back on. I read some advice on here to take your time and have patience. That's good advice. I spend as much time figuring out things as actually doing things. I can't say how aaw compares to others, but I think quality is good. My question would be about how the instructions compare.

If I did this project again, I'd be much faster the 2nd time. I've learned a lot so far.
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Old 04-27-2017, 05:52 PM   #4
twich3136
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Re: Wiring Harness

love my aaw classic update harness. the connectors they use are durable but i suggest getting the proper crimp tool for them. i also soldered all the connections and sealed the plugs with silicon for a water tight connection. no more electrial gremlins and its really clean. the wires were extra long making it nice for my longhorn.
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Old 04-27-2017, 07:43 PM   #5
HO455
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Re: Wiring Harness

What kind of harness are in the market for? A plug and play stock replacement? A full on custom to go with an LS and 8L90 installation? Or something in the middle?
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Old 04-28-2017, 10:17 AM   #6
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Re: Wiring Harness

Quote:
Originally Posted by HO455 View Post
What kind of harness are in the market for? A plug and play stock replacement? A full on custom to go with an LS and 8L90 installation? Or something in the middle?
Great question.

If you have a stock truck, then stock is the way to go. If you have a heavily modified one, then a Painless (or similar) may be OK. Just do yourself a favor and throw away all the cheap crimp connections and solder the right ones on. You will likely need some factory type terminals (a lot of "type 56").
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