S selting New member Joined Dec 9, 2018 Messages 1 Dec 9, 2018 #1 my drivers side battery is not showing a volt change when truck running(alt kicking in) . swapped batteries and same issue, batteries good. driving runs driver battery down. needing some guidance on what 2 test or look at next
my drivers side battery is not showing a volt change when truck running(alt kicking in) . swapped batteries and same issue, batteries good. driving runs driver battery down. needing some guidance on what 2 test or look at next
95cummins5.9 Old man ***** gossiper Joined Jun 18, 2012 Messages 4,720 Dec 9, 2018 #2 The wire between the two would be the easiest thing to check next. Ground from that battery.