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Discussion Starter · #1 ·
84 Toyota 22re
originally external reg. (45 amp) Swapped in Internal Regulated Alt.(65 amp) from ? yr.

The plugs are different. (3 wire vs. 4 wire) or (4 wire vs. 5 wire) or something like that.
The alt. is now pushing 17 volts and frying my battery.
I have not tried swapping in a different internal reg. alt. yet.
Does anyone have a wiring diagram that shows what wires go where when switching from external reg. to internal reg.
Does anyone have any suggestions on what might be causing the overcharging?

Thank You for any input.
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