Gary Miller 0 Posted January 15, 2017 Share Posted January 15, 2017 My low air buzzard works fine when truck is running. But. When I turn truck off and the key back to on position the buzzard don't work. I can't take my drivers test with it not working properly please help Quote Link to post Share on other sites
gearhead204 1,825 Posted January 16, 2017 Share Posted January 16, 2017 is this in an older R model ?.....if so i'm thinking your cab power relay is faulty and power is being back fed some how when the truck is running to make the alarm work. to check remove the ash tray and check the large terminals on the solenoid to see if both have power with the key on. Quote Link to post Share on other sites
Brian P. Barnes 1 Posted February 10, 2017 Share Posted February 10, 2017 Can you please give the details of the model? So that I can give suggestions. Quote Link to post Share on other sites
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