Question about Ford F-100
I have a 1972 Ford F100 w/302 engine. The original 6-cyl engine was replaced by the 302 before I bought it. It was re-wired prior to when I obtained the truck. It has never seemed to charge correctly. I don't think it was re-wired correctly. There are no markings on the voltage regulator & this is where I think the problem begins. Currently it is wired like this:
1. From alternator ''Bat'' to battery side of start solenoid
2. From alternator ''Fld'' to 1st position on voltage regulator
3. Nothing connected to ''Sta'' on alternator
4. No ground running from alternator to voltage regulator
5. From the 2nd position on the voltage regulator to start switch
6. From the 3rd position on the voltage regulator to battery side of start solenoid
7. There's a condensor at the voltage regulator that may have been connected to the 3rd position at one time
8. The truck has an ammeter but has been disconnected but seems to me it should have been in the circuit.
Searching the Internet only proved to be confusing - sites contradict each other and wire color code don't match.
I'll greatly appreciate any help you folks can provide.
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Posted on Jan 02, 2017
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