Hi does anyone have or know the wiring for a 691-DREU
i am pretty sure RL\RL and FL\FL are front and rear lights.
But what are SW1/SW1/SM-/SM+ pins???
and M-/M+/NC/GND/3RD pins???
I am trying to convert an old electronic reverse unit in a GP38 NJ transit 4300 engine...it was hard wired in this and the board is bad.