Re: Need a little wiring help
The #1 terminal is the exciter from ignition often white wire,the #2 is a voltage sense wire often red .Battery output from back of alternator usually ties in at starter solenoid positive terminal & would be 8-10 gauge wire.on my 57 the alternator output went in to cab for amp gauge to work properly.
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1957 3100 
1950 5 window
Last edited by starterman99; 02-10-2014 at 10:25 PM.
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