Link Box Wiring Shorthand

Link 510/530

This is a shorthand for the wiring, but we recommend that you reference the full installation guides for additional information.
Link 510/530 Diagram

Power Cable:
Red is constant power - +9-30V with inline 2amp fuse
Brown is Ground
Black is Ignition with inline 2amp fuse

I/O (Input/Output) Cable Most Commonly Used Wiring:
Violet is Input 2 – Normally used for Digital Input/PTO
Brown is Ground
Green/Blue- Normally used to get the Idling report, you should also tie this wire to true ignition/engine running. This connection should also use an inline 2amp fuse

Link 300

This is a shorthand for the wiring, but we recommend that you reference the full installation guide.

Red is constant power - +9-30V with inline 2amp fuse
Brown is Ground
Black is Ignition with inline 2amp fuse
Green/Blue can be used as a digital input to either monitor the on/off condition of a vehicle system OR if you want to get the Idling report you should also tie this wire to true ignition/engine running.  This connection should also use an inline 2amp fuse.