Operation CHARM: Car repair manuals for everyone.

Alternator

Rated Output & Field Current Draw
<gmac1317006>
Rated Output 42, 55, 63, 70, 85
Test Output -
Note: Increase engine speed until maximum alternator output is obtained (approximately 2000 rpm), output must be within 10 amps of rated output
Field Current Draw 4-5 at 12