Electric?

Tiny
ART
  • MEMBER
  • FORD BRONCO
Hello thank u for ur input.I have a 1979 ford bronco 4+4 with a 1969 429 thunderbird engine. One day I tried to crank it and it just keep trying to crank. Before I could remove battery cable they melted and so did solenoid. Changed both new cables new battery and solenoid. Drove it home wouldn't crank changed starter work fine then had to change battery. Run god then would'nt crank changed starter switch cranked run good until u guessed it won;t crank. It will jump of but when I turn lights on it goes dead. Do u think its alternator or something else. Thank u so much. Art :
Thursday, November 2nd, 2006 AT 9:01 PM

1 Reply

Tiny
BRUCE HUNT
  • MECHANIC
  • 3,754 POSTS
Something else, but put a meter on the battery when running to see if the alt is putting out14-18 volts. I also use the old test of a screwdriver to the back of the alt at the bearing to see if the magnetic field exists. When the alt runs it should create a magnietic field and attract the screwdriver blade. It might be slight but it should happen. Big time check is the cables and the connections. The connections are hugh.
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Friday, November 3rd, 2006 AT 8:34 AM

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