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Old 05-21-2017, 10:17 PM   #1
1929fordtudor
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Join Date: Mar 2017
Location: San Antonio Tx
Posts: 14
3.8 volts brown wire at alternator ???

First post, as I have been gleaning from all the knowledge on this forum. My first c10 (69) as well so I am really benefiting from this forum. I made the swap, per the schematics found here, to a three wire 94 amp alternator. The voltage on the brown wire at the alternator, which I have read should be 12 volts key on, is only reading 3.8 volts key on. Any ideas why, and is this harmful?
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