Posted 10/20/2017 06:17 (#6317325 - in reply to #6316970) Subject: RE: Combine lights drain battery while running?
NC Iowa
My 7720 did that. I think the Motorola alternator was weak. I bought an electrical adapter from Deere, and 120 amp alternator from Napa and that fixed it. The Delco style alternator was less than $100 from napa.