HI We have this crown SC3018 Serial: 8A20595 which uses the zapi B1 controller for drive.
Its starts to drive then drops out the contacts, and when i have the zapi console plugged in shows error handbrake. I was hoping to get hold of a wiring diagram so i can trace the wiring back as this handbrake and foot brake switch is the same. On my zapi tester the handbrake switch shows off and will not make any difference by me operating the handbrake on or off.

A wiring diagram would really help if someone can provide me with one please.

Thanks