FSM wiring diagram for Charging System

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I am looking for a wiring diagram (schematic) of the charging system for my 93 LC. I have an aftermarket alarm and battery isolator installed by the previous owner and wires are not optimal. I am updating to a 150 amp alternator and want to rewire everything but I do not have a baseline of the charging system.
 
If it has an inbuilt regulator I expect it will be similar to the 100, large terminal to battery, smaller wires, one to power, (possibly Red/Blue, IG terminal) , one to alternator light, (possibly Black/Orange, L terminal), one to voltage sense, (possibly White/Blue, S terminal)
 

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