MSC04317 Boss Plow Side 13 Pin Wiring Harness SL1

A New Boss Harness # MSC04317.

This is the plow side 13 pin harness. This changed with each type of lights Boss offered. This is only for the SL1 lights, these are the ones with the turn signals in the bar below the headlight. 

This runs from the grille plug up into the plow lights this style was used before 2008. 

Here are the other options

Plow side LED MSC09417

Plow side SL2 MSC08881

Plow side SL1  MSC04317