The conector is tie wraped under inst. cluster. I belive it is rectancluar with four wires,brown, br/yellow, yellow, gr/red. Brown wire is ground but tested around 5v with my volt meter. Must have been reading sensor voltage???
I played around jumping the wires and the only function I could make work was cycling through the functions no reset

The odometer cycles to next function when ground is applied then removed.
Hey tipover could you test the output of the tripmaster so we can figure how to do the other functions?