78399 Spinner Motor Harness SnowEx, Western, Fisher Tailgate Spreaders SP-575 SP-1075 SP-1875 Pro-Flow Speed-caster

A New 78399 Spinner Motor Harness. The tag on the harness says 69999.

This is used by Fisher on the Speed-caster 525 and 900 Spreaders, Western on the Pro-Flow 525 and 900, as well as the SnowEx tailgate spreaders SP-575X-1, SP-1075X-1 and SP-1875-1. 

This attaches to modules 52395 and 52375 and runs to motors 75901, 75626 and D6214.

*Does not fit the SP-1575-1, the pin out is opposite. Those use harness # 78398.

Below you can find the related documents for these spreaders and the parts lists:

SP-1875 and SP-1875-1

SP- 575X, SP-575X-1, SP-1075X, SP-1075X-1

Make sure you have dielectric grease. Corrosion is the most common destroyer of these plugs.