To wire up a Garmin FMI-15 cable, follow this wiring guide:


FMI-15 G60
Yellow Brown
White Brown/White
Brown Black (Ground)

The FMI cable also requires connection to a 12/24V power source. This should be fused for 2A, and ideally be switched by auxiliary power (dependent on application).

FMI-15
Red 12/24V Switched
Black Ground