First, you need to identify the alternator type. If the 2-wire plug has paralled contacts, like so: | | then it is an externally regulated type. If the plug has inline contacts, like so: - - it will be internally regulated.
How Do I Wire My Alternator?
My 72 Malibu has an 80's Chevy truck alternator in it (63 amp, internally regulated I guess?) and has been upgraded to an HEI ignition. The alternator's got a 2-wire plug, the red wire runs to the back of the alternator case, the white wire is cut. Is this correct? I just installed a new alternator from Advance Auto Parts, it burned up the regulator in 2 weeks. Any input would be appreciated
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