Wiring questions

The Big Comets

Wiring questions

Postby Tre107 » Sun May 12, 2019 3:37 pm

Swapped from a 289 to a 351w in my 66 comet the motor is a 1978 and the alternator wasn’t charging so I put a new one on. I hooked it up and still no charge, what wires are supposed to go where. I have a ground a positive a fld and an alt wire how do I hook it up right and is it possible if it was hooked up wrong I could have fried the new one?
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Re: Wiring questions

Postby comethead » Sun May 12, 2019 8:30 pm

You could take your alternators to an auto parts store to get them tested. If you know your alternator is good you can focus your troubleshooting elsewhere. Like the voltage regulator and wiring.
All the Mustang Falcon and Comet vendors sell new alternator harnesses. If yours is hacked up better to replace it.
As far as which wires go where, a factory shop manual would be the best reference to get that info.
Wish I could tell you for sure but all my reference books are for 65.
Good luck!

Joe
1965 Caliente HT- 289/4 speed
1964 Falcon HT- Road Race project. 302/4 speed
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