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  1. Used Plowing and Truck Equipment Forum
    I have a 4 Port Isolation Module from 04 Chevy. I have the headlight wiring harnesses as well. Looking to get $300. The stuff is a couple years old and in great shape. Works perfect. Just took it off my old truck to get a new one. Please let me know if you are interested. I am willing to ship...
  2. Truck & Equipment Repair
    I have a 2008 F250 with a Vitramount Plow, with a 4 port isolation module. The headlights come on but the yellow turn and signal lights do not. The purple wire on port 4 and 3 have power. Port 2 ,Grey and purple, have no power. I can hear the ISO module clicking when the turn signal is on. Any...
  3. Fisher Engineering Discussion
    Now that I know what I need for my truck I am wondering where everybody is mounting there Iso Modules. I know I don't have a lot of room under the hood. I am looking for some good places to mount it and where not to mount it. I know heat is not a good idea so far away from the engine is...
1-3 of 3 Results