Gain additional flexibility in your harness routings with this Fleece Performance Fan Extension Harness for your Duramax's fan clutch. This extension harness is produced in house at Fleece Performance. This extension allows you to repair a broken or damaged harness without needing to replace the entire fan and clutch assembly. This harness is mounted to the fan assembly and connects to the fan and chassis harness. Fleece's manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly.