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Little electrical fire!
https://slantsix.org/forum/viewtopic.php?t=25269
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Author:  Phytoplankton [ Mon Oct 08, 2007 12:05 pm ]
Post subject:  Little electrical fire!

Was working my son's 63 dart, and decided to replace one of the bulbs in the dash panel so he could see the instruments better, pulled the old one out and got a replacement bulb, then decided to start the car up and make sure the bulb came on, bad decision. I had my hand up under the dash and was pulling my hand out when I heard a "Snap", then saw smoke pouring out from under the hood, then the car died, jumped out to pull the battery cable off the battery as the interior of the car filled with smoke from under the dash. Got the cable pulled and saw the carnage, the main wires to the starter, and starter relay cooked! Then the main was cooked all the way to the dash panel connection. In some ways I was fortunate it didn't burn through any other wires in the harness. Finally found the problem that caused it. The PO had left a wire from the old stereo system that he just disconnected and left there hanging. I must run it to short. It only took 4 hours, but I did get the old baby running again!! Lucky it didn't catch the whole wiring harness on fire!! I was suprised that the wires on a 44 year old car were still in good shape.

Author:  SlantSixDan [ Mon Oct 08, 2007 12:22 pm ]
Post subject: 

Yikes, no fun. Reminds me of a similar experience I had replacing the horn on then-my father's, now-my 1962 Lancer. The early cars had no main circuit protection, so relatively small short circuits can quickly turn into relatively large repair projects (or worse). You may want to look at adding or improving circuit protection to the car; see this post and the links therein.

Author:  slantvaliant [ Mon Oct 08, 2007 1:54 pm ]
Post subject:  Re: Little electrical fire!

Quote:
... Then the main was cooked all the way to the dash panel connection.
Did it look something like this?

Image

That one cost me time and money I really could have used elsewhere.

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