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699 Posts

Posted - 06/22/2022 :  11:38:13 AM  Show Profile  Send valleybusman an AOL message  Reply with Quote
I have 2010 Thomas front engine pusher . There is a alarm on the fuse panel for the roof hatches . It won't shut off . I am showing that there is a ground fault in the system . I cut all the roof hatch wire connectors and that didn't stop it from buzzing . . We have been having issues with the door buzzers not working and blowing the fuse . Fixed that . I can only think to rewire the hatches and relocate the alarm . Any other ideas ?

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589 Posts

Posted - 06/23/2022 :  02:53:12 AM  Show Profile  Reply with Quote
check where the harness goes up by a window frame, seen wires bare off and ground out on chassis

OEM trained in wiring and all engine platforms for 20 years
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Advanced Member

201 Posts

Posted - 07/04/2022 :  07:44:47 AM  Show Profile  Visit BigPapa's Homepage  Reply with Quote
The micro switches on the roof hatches can be hooked up normally open or closed depending on what terminals you use. It’s possible they’ve been connected wrong or that the switch is bad.
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