A 12 volt draw on battery from a one wire alternator

Notice that in my last two posts we were connecting the field direct to battery and ground. This ELIMINATES a whole bunch of wiring problems and the VR. If the alternator will not charge when excited in this way (also called "full field") then it either is

1 bad alternator
2..badly slipping belt
3..a break in the charging wire from alternator........through bulkhead....through ammeter circuit.....back out bulkhead.......to battery
That is why we look at voltage on alternator output stud

Also more on measuring alternator field current is in section 8 of your factory shop manual. Again, you can download these free, from MyMopar. No, LOL, I don't work there, but several manuals there got there because of the guys on here