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Message: <blockquote data-quote="Bigg_Billy" data-source="post: 124200" data-attributes="member: 22736"><p>On my old tractor I had a similar situation and I used to disconnect the negative battery terminal after each use and hook it back up the next. One day I hooked a volt meter to a fully charged battery, and then checked again where it hooked to the starter. It should have been the same but it was 9.7 volts instead of 12.4 at the battery. The cable looked fine but I replaced the ends anyway to get the same voltage at both ends. Whatever the slow drain was went away...the little spark that occurred when I rehooked the negative terminal each time was gone. I never figured out what the drain was but figured it was something to do with the starter solenoid that wasn't getting full voltage.</p></blockquote><p></p>