Thread: Ls alt wiring
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Old 06-21-2013, 12:11 AM   #38
ls1nova71
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Re: Ls alt wiring

You don't need your old voltage regulator or the wires going to it. The lights and stuff get power from the small junction block mounted on the fender by the battery, the red wire going to the big plug on the firewall (that the fuse box plugs into), that wire splits off and one part went to the voltage regulator. Just remove it, your alternator will be controlled by the PCM.
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