Operation CHARM: Car repair manuals for everyone.

Alternator

Test Output & Field Current Draw
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Rated Output Test Output Field Current Draw
78,97 -
Note: Increase engine speed until maximum alternator output is obtained (approx. 2000 rpm); output must be within 10 amps of rated output.
4-5 at 12
100 -
Note: Run engine at moderate speed of 2000 rpm; output must be within 15 amps of rated output.
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56, 66, 94 -
Note: Increase engine speed until maximum alternator output is obtained (approximately 2000 rpm), output must be within 10 amps of rated output
4-5
85,105,108,120 -
Note: Run engine at moderate speed of 2000 rpm; output must be within 15 amps of rated output.
5.5-7