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Water In Fuel Indicator Always On (MOTORHOME - Diesel)

  1. Disconnect water in fuel sender. If indicator goes out, replace water in fuel sender. If indicator remains lit, go to next step.
  2. Disconnect instrument cluster harness connector. Connect test light between harness connector terminal No. 3 (Yellow/Black wire) and battery power. If test light lights, repair short to ground in Yellow/Black wire. If test light does not light, repair and/or replace instrument cluster.
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