Can someone decode the following alternator:

"1102394 ??amps"<Ground off>
"5J18-12VNEG"

1965 or 1975?
Applications?


Thanks
Jim graemlins/waving.gif

1102394 - 1975-79 305,350,400,454 Chevrolet cars and trucks, it was originally a 37 amp alt

Yours is from 1975 (Sept 18th) J18