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Old 03-12-2021, 12:04 AM   #20
truckster
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Join Date: Jan 2001
Location: Orem, Utah
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Re: L31 engine swap questions

I rewired the entire truck, so my setup is going to be different from yours. I also swapped in a voltage gauge in place of the stock ammeter in the 72.

Since yours originally came with an internally regulated alternator, I would think you would just need an adapter for the alternator wiring.
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