Posted 3/15/2019 21:59 (#7383098 - in reply to #7382192) Subject: RE: 4020 24/12 volt conversion has me stumped
You are going to need a wiring diagram for an older 4020 diesel tractor to ever make the kit work correctly. There is a need to know you serial number to use the correct diagram. And as you have been told, you are NOT working on a 1969 model tractor.