Sorry, I tried to search LOST for the answer & couldn't find anything...

I ordered the new fuel head and wiring kit, the unit also has a new WIF (water in fuel sensor). Does the WIF sensor need to be replaced too? Because it looks bigger than the original from what I remember and I don't see another clip in the kit to keep the new wires in.

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06 Jeep KJ CRD Sport full Mopar skids, front tow hooks, rear hitch shackle, Magnaflow muffler, Samco Sport CAC hoses, 02 Airbox mod, Unique series 42 steel wheels.

My wiring kit was just the wires needed to splice, and the fuel head had a filter, but no new WIF sensor wiring...

Did you order more than two different items?

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05 CRD Sport Dark Kahki

RRO: Adventure Rack/Rails ** MOPAR: Skids/Renny Flares & 255/75r17 (32.1) BFG M/T on JK wheels ** ARB: Bumper/IPF lights/790/948/shocks ** GDE: TCM/Hot Tune ** ROCKLIZARD: Super Sliders/Komodo Bumper

My Build Thread
US Army Infantry

Look at the fuel head bleeding video in Sir Sam's NOOB guide for a picture of the new head and wiring harness installed. To install you have to splice in the new fuel heater wiring harness/plug so the new fuel head's fuel heater element will get power.

The new head comes with a Mopar fuel filter installed WITH the WIF sensor installed on the filter. The WIF is the same as the one that's on your filter now or at least if it "looks" different in size I can tell you for sure that the current WIF wiring harness/plug fits the WIF that comes with the 2n gen fuel head. That said I recommend folks save their existing WIF sensor for possible future use. There is no particular reason for a WIF sensor to fail, no moving parts, but it's not impossible and a new one costs like $25.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs