Alternator Wiring Diagram Chevy 350 2469 posts · joined 2007. #17 · feb 20, 2023. i connect the #2 voltage sensing wire to the "b" terminal on the horn relay. the 12 ga red wire on the horn relay runs directly to the ignition switch and is a good place for the regulator to sense voltage in the system. changing 55 chevy generator to alternator. Gahi's diagram is the correct way to wire a gm 10si 12si, and utilize all the benefits of that great design. the output and sensor wire (#2) should go to the main power distribution location, as shown, not to the battery. the #2 wire ensures the 14.4 or so output is fed to the entire system, eliminating any voltage drop.
Chevy 350 Alternator Wiring Diagram Your instructions are correct power comes from the battery, to the solenoid, where it picks up the main fuse buss support wire (red 10 ga wire) and the alternator output wire (what ever color 10 gauge wire is designated) fuse links should go between the buss support and alternator wires and the big bolt on the solenoid (if not already provided). 6890 posts · joined 2005. #10 · aug 21, 2013. putting in a light wont solve the issue. the problem is somewhere once the car is running there is power getting from the alternator back into the electrical system. if everything is wired properly there is no need for a diode. the diode is compensating for faulty wiring. How to install a one wire alternator on a chevy 350. converting to a one wire alternator is a popular upgrade for chevy 350 engines. the one wire setup simplifies the wiring process and eliminates the need for external voltage regulators. installing a one wire alternator on a chevy 350 engine requires a few simple steps and basic tools. Alternator upgrade wiring tips for popular gm charging.
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