6066 (1960-1966) GMC Truck Club - 1962 Pickup with 401

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6066 (1960-1966) GMC Truck Club (https://6066gmcclub.com/index.php)

- General Discussion (https://6066gmcclub.com/forumdisplay.php?f=8)

- - 1962 Pickup with 401 (https://6066gmcclub.com/showthread.php?t=51503)

Ed Snyder

June 25th, 2023 01:31 AM

Re: 1962 Pickup with 401

I'm looking for some advice on the ex-Rick Rusconi pickup. While pulling into a parking lot the truck died. And when I say "died" I mean everything died -- no lights, no nothing. It's got a good Optima battery and new 4 gauge battery cables. Ground continuity from battery to engine and frame check out good. Got 13 volts at the battery lug on the starter. But no power anywhere beyond that. The truck still has a generator, voltage regulator on the inner fender, and an add-on MSD box next to the voltage regulator -- probably added by Rick.

Anybody out there got suggestions on what else to check?

GMC_Dude

June 25th, 2023 02:12 AM

Re: 1962 Pickup with 401

Quote:

Originally Posted by Ed Snyder (Post 77224)

Ed, there is a connection on the firewall on the passenger side that I've seen come lose that would cause similar symptoms. You might start there.

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FetchMeAPepsi

June 25th, 2023 03:13 AM

Re: 1962 Pickup with 401

Wish I could help. I'd probably start checking fuses.

Ed Snyder

June 25th, 2023 06:26 AM

Re: 1962 Pickup with 401

1 Attachment(s)

Quote:

Originally Posted by GMC_Dude (Post 77225)

Ed, there is a connection on the firewall on the passenger side that I've seen come lose that would cause similar symptoms. You might start there.

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Can you be a little more specific on location? See attached photo of passenger side. There's not much there since it has the standard under-dash heater.

Funky61

June 25th, 2023 07:09 AM

Re: 1962 Pickup with 401

Ed, I see a connector just behind the coil.

Prowbar

June 25th, 2023 12:42 PM

Re: 1962 Pickup with 401

Quote:

Originally Posted by Funky61 (Post 77228)

Ed, I see a connector just behind the coil.

Indeed. That connector supplies the dash and instrumentation with voltage: ignition switch, lights, blower motor, wipers, etc. If it comes loose then everything quits. You still should have 12V at the starter, but no signal to the starter or coil from the ignition switch.

jbgroby

June 25th, 2023 02:38 PM

Re: 1962 Pickup with 401

I'd love to make the trip one day as well.

GMC_Dude

June 25th, 2023 11:13 PM

Re: 1962 Pickup with 401

1 Attachment(s)

Ed, the connector by your coil is the one I was thinking of. Much easier to see on my truck as the inline 6 allows a better view. Attachment 10371

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GMC_Dude

June 25th, 2023 11:16 PM

Re: 1962 Pickup with 401

Also, the connector doesn't fall completely apart before the symptoms appear. It might not look much different than it did before the symptoms appeared.

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Ed Snyder

June 26th, 2023 06:23 AM

Re: 1962 Pickup with 401

Quote:

Originally Posted by GMC_Dude (Post 77232)

Also, the connector doesn't fall completely apart before the symptoms appear. It might not look much different than it did before the symptoms appeared.

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Thanks for the tips, folks. That connector looks and feels tight. I'll have to wait a while for further investigation though. My wife and I are getting ready to head to the coast for a few days to celebrate our 50th anniversary with our kids and grandkids. I'll post an update after we get back and I do some further checking.

Ed

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