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intake air heater

  1. Intake Manifold Air Heater grid not working

    3G Dodge RAM Diesel Talk
    truck is a 2004 with common rail 5.9 Cold in Ontario right now and no start condition unless plugged in. Troubleshooting the Intake heater grid and found this: 1) getting 12v to relays 2) grounds to relays are not broken 3) Dash light shows grid is being powered 4) No relay "click" when Key...