Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

No power to keyed circuits

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Old Jan 31, 2013 | 07:31 AM
  #1  
Jonathan Dyer's Avatar
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From: Montreal, Canada
Car: '83 Berlinetta
Engine: 383 CI
Transmission: T56
Axle/Gears: 3.73, Eibachs, Tokiko Illuminas,
No power to keyed circuits

After changing out my heater core I forgot to hook up the wire to the electric chock (powered when engine is running only). I stupidly managed to ground it with the engine running. It arced a couple of times and the engine stopped.

I now have power to any of the "always hot" circuits but nothing to any keyed accessories. All fuses and breakers are good.

Any ideas as to where I should start??
Thanks,
Jon
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Old Jan 31, 2013 | 11:00 AM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: No power to keyed circuits

Check the fusible links.
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Old Jan 31, 2013 | 12:38 PM
  #3  
Jonathan Dyer's Avatar
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From: Montreal, Canada
Car: '83 Berlinetta
Engine: 383 CI
Transmission: T56
Axle/Gears: 3.73, Eibachs, Tokiko Illuminas,
Re: No power to keyed circuits

Can't think of where there are any fusible links? There's nothing in the engine bay off the battery or anything.

Anything under the dash I can look for?
Thanks ,
Jon
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Old Jan 31, 2013 | 01:05 PM
  #4  
Tuned Performance's Avatar
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: No power to keyed circuits

I thought the ignition switch controls the accessory power and goes over to the fuse box/

http://www.austinthirdgen.org/index.php?pid=19
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Old Jan 31, 2013 | 05:02 PM
  #5  
Jonathan Dyer's Avatar
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From: Montreal, Canada
Car: '83 Berlinetta
Engine: 383 CI
Transmission: T56
Axle/Gears: 3.73, Eibachs, Tokiko Illuminas,
Re: No power to keyed circuits

Thanks for the diagram.

Weird thing, turned the key and got accessory power for a few seconds. Then nothing. Done this a couple of times.

Possibly a short in the ignition causing one of the two breakers in the fuse box to open? Got interrupted so I'll have to get back to it tomorrow.
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Old Jan 31, 2013 | 05:31 PM
  #6  
Tuned Performance's Avatar
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: No power to keyed circuits

thats weird I wonder if it fried the ignition switch.
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Old Jan 31, 2013 | 06:57 PM
  #7  
Jonathan Dyer's Avatar
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From: Montreal, Canada
Car: '83 Berlinetta
Engine: 383 CI
Transmission: T56
Axle/Gears: 3.73, Eibachs, Tokiko Illuminas,
Re: No power to keyed circuits

That's what I'm thinking at the moment. Not sure if it wouldn't be easier to change the whole column rather than the switch. Lol.

I called GM and they still list the switch for $26.00 so at least it's available if that's what it turns out to be.

Jon
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Old Jan 31, 2013 | 07:00 PM
  #8  
Tuned Performance's Avatar
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: No power to keyed circuits

getting to the connector is not easy just drop the column. You do need to adjust the switch.
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