Light Wiring Diagram Delco. If you have a real oem delco 10si or 12si alternator or equivalent it should always be a 3 wire. Delco alternator wiring diagram alternator wiring stuning e wire diagram carlplant amazing and remarkable delco 10si.
Every wiring diagram ive seen always used either the light or a resistor in the circuit. The ignition wire to the 1 terminal can be supplied in two ways either a direct ignition wire from the key switch or through a light bulb. These guidelines will be easy to grasp and apply.
Testing procedures and a wiring diagram are included 89k pdf.
This diagram shows how to wire a delco gm internally regulated 3 wire alternator these instructions also apply to the 12si series which is similar but can be. Wire stripper test light or volt meter harness routing the csi. 14 gauge sounds pretty big for a wire that just provides a connection to the indicator. This diagram shows how to wire a delco gm internally regulated 3 wire alternator these instructions also apply to the 12si series which is similar but can be.