New wiring harness..... - Impala Tech
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post #1 of 7 (permalink) Old 05-30-2020, 11:35 PM Thread Starter
Join Date: Apr 2019
Posts: 8
New wiring harness.....

Hi.... I'm thinking I should do the wiring harness as the previous owner has more splices than original connections!
What company makes the best complete harness front to back???

Thx in advance
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post #2 of 7 (permalink) Old 05-31-2020, 07:02 AM
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No one better, they have the original blue prints from GM, their harnesses are as close to NOS as you can find.
All the top restoration as hops use their products.



1966 Impala SS

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post #3 of 7 (permalink) Old 05-31-2020, 10:35 AM
Join Date: Jan 2019
Location: PA
Posts: 39
I bought an AAW, but haven't put it in yet - I think I'm going to get it painted first. It comes in a small suitcase with 10 bags in it! It has a main harness, dash harness, front harness, engine harness, rear harness, new underdash light harness, new light switch, new ignition switch, and a new dimmer switch, and it has plug in fuses instead of glass tubes. It also is wired for an internal regulator alternator and integrated horn relay, so all that gadgetry disappears from the engine compartment. Everything is color coded and labeled, and supposed to be the correct length, but you have to put on the wire ends. Seems like a very good set up.
I got mine on ebay for around $700 during my 'winter spending spree' before the world came to a halt. Hoping for a big summer!


66 Impala (in progress)
56 stepside shortbed
55 Bel Air sedan
81 Corvette
02 Monte Carlo (bought new)
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post #4 of 7 (permalink) Old 05-31-2020, 12:39 PM
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American Auto Wire (AAW) has more satisfied customers than any one else. I personally use Painless because they build wiring harnesses for race cars cheaper than I can make my own.

Big Dave
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post #5 of 7 (permalink) Old 05-31-2020, 06:25 PM
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I did my 64 with American Auto Wire. Good stuff, great support if you have a question. It was actually pretty easy to install.

1964 Impala 4 door sedan

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post #6 of 7 (permalink) Old 07-08-2020, 06:20 PM
Join Date: Jun 2020
Location: Lake Camanche, CA
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I just ordered a complete set for my '58 from Lectric Limited. 15 days lead time. This will give me time to upgrade to a 605 steering and maybe front Disc.
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post #7 of 7 (permalink) Old 07-10-2020, 12:34 PM
Join Date: Nov 2016
Posts: 9
Just starting to installing the American Auto Wire Update in my 64 SS.
Make sure you read all the paperwork at least twice to cut down on mistakes.
The instructions on a Computer can be enlarged to make it a little easier to follow.
The Crimpers are a must, they do a very nice job.
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