1990 Monaco Alternator Wiring on 1F fj40? (3 Viewers)

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I have a 1970 fj40 with F engine. After reading a number of alternator threads I have purchased a 1990 dodge Monaco alternator. Truck has basically no wiring, just the 4 wires to crank and run so no old wiring or reg to work around. What is the pinout on the 4 terminal plug?
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I am sure it's been covered, I have searched the fj40 section and Google as best I can, plenty of recommendations for this alternator for the 1f. just don't wanna fry my new alt.

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Here is output of alt , the only pic I have found has shown the large red run back to the out put terminal and 2 of the others into a harness, I imagine 1 to ign and other to a lamp

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