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Car died while driving - electrical problem?

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Old May 29, 2015 | 09:58 PM
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Default Car died while driving - electrical problem?

While driving my '71 this evening, my car just stalled and I lost all power (no lights, accessories, etc). This happened as I was accelerating after stopping at a stop sign. The car is sitting at the side of the road as I write this as I wait for AAA to dispatch a flat bed to haul the car home. This is obviously an electrical problem, but I don't know where to start looking first. I ask the forum members for ideas and guidance to help me diagnose this problem.

Thanks,
Rick
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Old May 29, 2015 | 10:11 PM
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Originally Posted by AkrHack
While driving my '71 this evening, my car just stalled and I lost all power (no lights, accessories, etc). This happened as I was accelerating after stopping at a stop sign. The car is sitting at the side of the road as I write this as I wait for AAA to dispatch a flat bed to haul the car home. This is obviously an electrical problem, but I don't know where to start looking first. I ask the forum members for ideas and guidance to help me diagnose this problem.

Thanks,
Rick
Start with the battery ground cable. It connects to the frame and they go bad on the underside of the car.
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Old May 29, 2015 | 10:37 PM
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Originally Posted by AkrHack
While driving my '71 this evening, my car just stalled and I lost all power (no lights, accessories, etc). This happened as I was accelerating after stopping at a stop sign. The car is sitting at the side of the road as I write this as I wait for AAA to dispatch a flat bed to haul the car home. This is obviously an electrical problem, but I don't know where to start looking first. I ask the forum members for ideas and guidance to help me diagnose this problem.

Thanks,
Rick

If your battery is dead and you were running off your alternator and your alternator quit the engine would die along with everything else that is electrical. Get it towed home and then get back with us after you do some checking.
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Old May 29, 2015 | 10:56 PM
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Same thing happened to me years ago. Ended up being the fuse link at the horn relay.
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Old May 30, 2015 | 02:24 AM
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Basically faced with same thing today and I am replacing the battery and the alternator. Battery won't hold a charge and the charger shows the alternator is operating at 25% so both are getting replaced. BTW Hagerty Road service was great at bailing me out of the problem
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Old May 30, 2015 | 03:23 AM
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Might be just a loose battery cable
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Old May 30, 2015 | 10:01 AM
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I checked the easy stuff first -- the battery is fine and the ground cable looked good to. I next put the right side of the car up on jack stands so I could examine the wiring around the starter. When I wiggle the wiring under there, arching can be heard. See the pic that shows the bad wire/connection. Question to the forum: is this a fusible link or is this simply a connector?
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Old May 30, 2015 | 10:19 AM
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Originally Posted by AkrHack
I checked the easy stuff first -- the battery is fine and the ground cable looked good to. I next put the right side of the car up on jack stands so I could examine the wiring around the starter. When I wiggle the wiring under there, arching can be heard. See the pic that shows the bad wire/connection. Question to the forum: is this a fusible link or is this simply a connector?

Unwrap it and see what's going on. That is a very hostile area because of heat and water so it's likely you have a real bad connection.
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Old May 30, 2015 | 10:33 AM
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Here is a close up pic of the connection. It looks pretty fried. I'll disconnect the battery and pull it apart to see what I'm up against. I would assume my local NAPA store would have what I'll need to replace the connection/connector.
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Old May 30, 2015 | 11:32 AM
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Here is the connection. It just came right apart. I'm leaning toward cutting out the connector and soldering it together. I'll cover the joint with some Heat-Shrink tubing. That repair shouldn't too much like Bubba was in my garage!
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Old May 30, 2015 | 11:44 AM
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That might be fusible link. Tread carefully.

When I pulled my engine, I took the time to clean up all of the starter wiring and use heat sleaves on it in critical areas. Just an idear.
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Old May 30, 2015 | 12:10 PM
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Originally Posted by Chinaski
That might be fusible link. Tread carefully.

When I pulled my engine, I took the time to clean up all of the starter wiring and use heat sleaves on it in critical areas. Just an idear.

Good call Chinaski. I agree that I need to determine if that is a fusible link or not. This is such a melted mess that I can't tell. Does anyone know if there is supposed to be fusible link around the starter?
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Old May 30, 2015 | 12:17 PM
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Definitely a fuse link. Do it right or be very sorry sometime down the road..........
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Old May 30, 2015 | 12:26 PM
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Originally Posted by Dave J
Definitely a fuse link. Do it right or be very sorry sometime down the road..........
I definitely don't want to replace a fusible link with a solder joint. There may be another problem lurking that caused the link to blow in the first place. As I look that the wires on either side of the connection, one wire is larger than the wire on the other side. In my mind this points to it in fact being a fusible link. I'm going to give NAPA a call to see if they have them and will hopefully know the correct size of the link I need.
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Old May 30, 2015 | 12:31 PM
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And not for nothing...

You have an absolutely stunning car.....clean up that greasy engine bay!
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Old May 30, 2015 | 05:39 PM
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Originally Posted by AkrHack
Good call Chinaski. I agree that I need to determine if that is a fusible link or not. This is such a melted mess that I can't tell. Does anyone know if there is supposed to be fusible link around the starter?

Had same problem,hope pic helps, remember it's special wire. It's the wiring between the barrel splices, needs to be proper gauge and length
It's 14 ga at stater link

Last edited by Calo69; May 30, 2015 at 05:44 PM. Reason: Add to again
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Old May 31, 2015 | 07:21 AM
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Thanks to everyone who provided info, advice and pictures. 24 hours ago, I didn't know much about fusible link or even what they looked like. In the end, I soldered the original fusible link together with the wire from the engine wiring harness and covered the repair with a high temp shrink sleeve.
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Old May 31, 2015 | 09:53 AM
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Sounds like it worked, but I don't like the idea of using same link, they are designed to fail and yours was compromised already, I strongly suggest new wiring, if you can't find any I have plenty, if you p.m. Me I'll be happy to send you section.
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