26347 / 26377 Western Fisher Blizzard 11 Pin Plow Side 3-Plug Plow Side Light Harness # 26347 / 26377 for Western, Fisher, and Blizzard plows. This has 11 pins and the pins are offset. If you have an older set of lights you can use this harness to adapt to the isolation module wiring.100%(3) Fisher 11 Pin Light Harness Plow Side 26347 26377 Fisher 11 Pin Light Harness 26347 at GotPlowParts Fisher Western 11 pin Harness | PlowSite It is an 11 pin plow side harness. the sticker on it indicates a build date of February 2001. It is in perfect shape and was removed very carefully without cutting any wires. it is like brand new. one of the plow lights had a cracked case, so i cut the case leaving all the wiring found within the light intact.