I've been digging into this cart trying to see what needs fixing and I have issues with the charger. I have found plenty of information on the 28115-G04 but I have the 28115-G06 (picture #1) and can find nothing. They look very similar but one thing I know is different is there's an extra relay (picture #2 and #3) that's mounted to the plate right above the circuit board. Not exactly sure what it is for. In all of the diagrams I've seen there are only a positive and negative wire coming from the charger. Mine has a 3rd wire (picture#5). It connects to the shifter switch? (picture #4) not sure of the technical term. I am guessing this 3rd wire has something to do with the extra relay in the charger. Anyways, I have determined the circuit board needs to be replaced but as far as the other relay and 3rd wire, I'm not even sure where to start troubleshooting to determine if it's good or not. Can anybody enlighten me?
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