How can a new 1 wire alternator be correctly installed on a 3 wire Chevrolet harness?
Nov 27, 2018 by retroman | Posted in Maintenance & Repairs
Current wiring harness has a two wire plug for a sensing circuit but the new alternator does not have a provision for connecting the plug. One of the wires goes to the ignition switch and the other to the alternator lamp on the dash.
Check voltage between both wires with the original alternator and the engine running as well as stopped (but key on).
my guess is the original alternator closes the circuit between the positive (coming from ignition key) and lamp.
As for
gentleman | Jul 07, 2008
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