Burnt alternator and solenoid

Gotta love that wiring . . .
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TJenkins
Posts: 19
Joined: Fri Aug 29, 2014 3:15 pm
Your car is a: 80 Fiat Spider

Burnt alternator and solenoid

Post by TJenkins »

Smoking alternator. Bit of a long story. My starter went in that when I turned the key nothing. After trying different things had starter rebuilt including the solenoid. Sat for a year before installing the starter, battery dead, not taking a charge. Bump started the car, ran fine. Got a new battery started the car and smoke coming from the alternator. Now when I turn the key nothing, (just checking if the solenoid is fried again and it appears to be the case). So it looks like a rebuild of solenoid and alternator but the bigger question is what is the root cause??
And yes the battery was connected correctly, even tested it with a volt meter. Any suggestions on what to check??

UPDATE: I reconnected the batter and even with no key in the ignition, the alternator gets incredibly hot and starts to smoke.

Thanks in advance.
Thomas
User avatar
mm1000
Posts: 24
Joined: Mon Sep 22, 2014 4:46 am
Your car is a: 1975 Fiat 124 Spider
Location: London, UK

Re: Burnt alternator and solenoid

Post by mm1000 »

Hello

Is this an original alternator setup with the external regulator? I connected my battery once and the whole wire fried from the alternator to the ignition. I guess it was a short somewhere but with a new alternator, getting rid of the complicated external regulator wiring, it has been fine.
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