The following are instructions I typed up because I kept forgetting what wire went where. Most of the information was obtained from Mad Electric's site. Your alternator is different because of using the old case, but since no one else responded I thought this might point you in the right direction.
The old alternator that required an external regulator had terminals marked F and R. The newer internal regulated alternator uses terminals marked 1 and 2. The other physical difference between the two alternators is that the older alternator had terminals that looked like || while the newer units the terminals were placed -- to keep someone from plugging the harness in to the wrong alternator. The 10-gauge wire hooks right up, but you have to change things on the other two wires. The old R wire will work if you disconnect the harness from the old regulator and bridge terminals 2 and 4 at the regulator harness. This should allow your idiot light to function properly. The Old F terminal wire goes to F on the harness (position 1, and you jumper this terminal to #3 terminal to allow the alternator to sense voltage.
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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 Catalina Safari Wagon.
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