modern wiring harness??

SNR Pontiac · Member

modern wiring harness??

Doc69 · Veteran Member

I have used painless for other projects and not had an issue
One thing to look into is to make sure wire insulation isnt soy based. Poses a big problem for vehicles that sit a lot. Rodents like the taste of the soy based wire harness and will make a nasty mess in the most indiscriminate spots.

SNR Pontiac · Member

Thanks, thats a good tip. I never would have thought of that. I live in the country and although the shop is pretty tight, I always seem to get one or two every year.

Prefectca · Poncho Master!

I bought this one on eBay. It looks good but I havent installed it yet. I dont know if the insulation is soy based.

https://www.ebay.ca/itm/223916927329

bjburnout · Uber Guru

I have used American Auto Wire several times and their harness are great..... smile .

https://americanautowire.com/en-ca

American Autowire: Wiring Harnesses and Accessories

American Autowire is the premier wiring harness manufacturer. We manufacture wiring harnesses for any automotive project! GM OEM restoration, restomod and modified restoration as well as custom Street Rods!

americanautowire.com

SNR Pontiac · Member

As an update, the motor had its first start on 12 volts and HEI ignition. Started up great, I was impressed. Also now have headlights, front parking lights, tail lights, brake lights and front and rear signals. Its a win!! But I wired the alternator today and when I started the engine, it wouldnt shut off!! LOL had to pull the wire off. Well that's a tomorrow problem!!!

67Poncho · Uber Guru

Converted my '53 over to 12v almost 25yrs ago with a SBC and a 4-gear. (original 235 was pooched) I just switched all the bulbs where needed, HEI and alternator in place. Never had a hitch. I believe I used the extra terminal on the ignition switch for the alternator.

If that option isn't available, it will selfignite with a little rev of the gas pedal. I had to do that with my '60 Pontiac. No provision. So I left terminal "1" on the alternator 2 pin plug open. (if on the same line as the ignition, it will backfeed and keep the HEI powered)

You can also bring #2 pin of the plug, red wire, back to the "B" post of the alternator instead of running another wire in the harness if you haven't done already.

'53 BelAir.jpg

'53 BelAir-1.jpg

-- Edited by 67Poncho on Tuesday 10th of December 2024 09:22:13 AM

DonSSDD · Canadian Poncho Superstar!

Nice 53, never see many pre 55s, Chev or Pontiac.

On my 63, I had that starter problem, stayed engaged- I have a mini hi torque and Pertronics. My starter was fed directly by the coil, I had to put a diode in that power feed so the starter wouldnt run on.