What Are The 4 Wires On An Alternator. I will get out of class in a couple hours and try to figure out how I can get an additional wire added to the 4 prong connector. The Number 1 wire on the 10- or 12-SI is connected to the charge warning light on the dash.
The other end of this wire should be connected to the 12V terminal on the backside. Labeling is inconsistent but is often S. Headlights would dim using the original alt.
4 wire alternator wiring diagram Youll need an extensive expert and easy to know Wiring Diagram.
Gm 4 Wire Alternator Wiring Diagram Database. I would imagine that the 4 engines I saw at the JY with this alternator were charging with only one brown wire going into the harness and god knows where and then one wire off the charging post. Variety of ac delco 4 wire alternator wiring diagram. Battery positive cable voltage sensing wire and ignition wire.
