ghmallard Posted April 23, 2022 Share Posted April 23, 2022 Have 2012 CHU that the air solenoid on frame for fifth wheel slide not getting air to fifth wheel. Found air line plugged to fifth wheel. Still no air, replaced air valve solenoid still not air. The switch in cab has power to switch just no power leave switch to air valve to allow air. Is there a safety feature im missing i need to be doing for power to leave switch? Or maybe the switch is bad? Thanks much for any help on this Quote Link to comment Share on other sites More sharing options...
Onyx610 Posted April 28, 2022 Share Posted April 28, 2022 Sounds like the switch, have you tried jumping it? Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 28, 2022 Share Posted April 28, 2022 pull the trolly brake handle down and try again.. older trucks used to have a 'lockout' for sliding the fifth wheel. I guess they want ed you to be sure the trailer brakes are set before you slide.. jojo 1 Quote Link to comment Share on other sites More sharing options...
terry Posted April 29, 2022 Share Posted April 29, 2022 2 hours ago, Joey Mack said: pull the trolly brake handle down and try again.. older trucks used to have a 'lockout' for sliding the fifth wheel. I guess they want ed you to be sure the trailer brakes are set before you slide.. jojo I have seen these where the parking brake has to be set, release the fifth wheel, the release the parking brake. terry Quote Link to comment Share on other sites More sharing options...
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