Need help!! no electrical - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 6 (permalink) Old Mar 12th, 11, 06:21 PM Thread Starter
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chris
 
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Need help!! no electrical

Went for a short ride in the 68 and about 10 minutes into it, without any warning, the car died on the freeway. there was no power at all. no lights, nothing at the ignition, nothing. tried to jump the car and still nothing. any help would be apriciated.
thank you.

chris
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post #2 of 6 (permalink) Old Mar 12th, 11, 06:32 PM
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Mike
 
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Re: need help!! no electrical

Does it have factory wiring?

Do you have headlights?

You say no electrical,,you mean it wont crank over.

There should be a wire #10 off the battery(red ) that goes from the positive to a terminal block on the radiator support. See if it has a good connection there.

Then it will go to the bottom of the horn relay.

Then it is sliced together after it leaves the horn relay and goes to the alternator and to the firewall fuse block to power everything.

There are also small fusible links that are on the red feed wires by the horn relay. Make sure they arent burnt.

Check all your connections for the battery to starter and grounds also.

Mike
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post #3 of 6 (permalink) Old Mar 12th, 11, 07:32 PM Thread Starter
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chris
 
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Re: need help!! no electrical

Quote:
Originally Posted by prostreet69camaro View Post
Does it have factory wiring?

Do you have headlights?

You say no electrical,,you mean it wont crank over.

There should be a wire #10 off the battery(red ) that goes from the positive to a terminal block on the radiator support. See if it has a good connection there.

Then it will go to the bottom of the horn relay.

Then it is sliced together after it leaves the horn relay and goes to the alternator and to the firewall fuse block to power everything.

There are also small fusible links that are on the red feed wires by the horn relay. Make sure they arent burnt.

Check all your connections for the battery to starter and grounds also.
Mike,
thank you for the reply. after reading your post I went out and checked the small #10 wire off the positive side of the battery cable and it was COOKED. It was completly melted and laying between the battery and radiator support (melted to it). what would have cause this? do I just relace the wire or is there another cause I should look at. it is all factory wiring.
thank you again,

chris
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post #4 of 6 (permalink) Old Mar 13th, 11, 04:34 AM
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Mike
 
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Re: need help!! no electrical

A couple things:

Did the wire start to rub or deterioate and was against the radiator support and shorted out which would make it completely burn. A dead short.

Was it a bad connection from age but usually just melts the terminal off. Which is usually a old connector or bad crimp.

Do you have a 10 amp battery charger? I would put the charger on the terminal block on the radiator support,, not the battery. This will power up the car. If you have a problem / short it will drag the charger down because it only puts out 10 amps. If you hook the battery back up it puts out enough amps to melt the harness if you have a short.

Once the charger is on start checking your circuits like, lights, horn, radio, blinkers, flashers. Most of these have fuses so if there was a problem with them it would blow the fuses. The headlights are not fused. If everything checks out ok then install a new wire with good crimps. Before you start anything put your hand on the wire and make sure it is not getting hot. If it is you have a problem still.

Do you have a meter and DC amp probe?

Mike
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post #5 of 6 (permalink) Old Mar 16th, 11, 06:36 PM
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Re: need help!! no electrical

So did you find the problem?

Mike
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post #6 of 6 (permalink) Old Mar 17th, 11, 07:07 AM Thread Starter
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chris
 
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Re: need help!! no electrical

Quote:
Originally Posted by prostreet69camaro View Post
So did you find the problem?
Mike,
Yes. The only issues was the fried #10 wire off the positive terminal. It must have wore through the coating and rubbed against the radiator support. cooked it right in half. I replaced the cable and wire, moved it away from between the battery and radiator and all is well. Thanks again for the help.

chris
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