Looks like the accessory plug has been rewired with all black wires. I cant find a wiring diagram that shows which wire is which. I think the top one is the tach, bottom left is ground and bottom right is power? Anyone know for sure?
I only found the wiring diagram there. I know that grey is tach and purple is 12v and black is ground, but the wires have been replaced with all black wires on the plug. I was trying to avoid opening the control box
