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Old 02-02-2016, 07:13 PM   #1
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SOLVED - Stubborn Parking Brake Alarm

I've found many posts in the forums about issues on DPs where the parking brake alarm does not silence even after the air parking brake has been released. Mine was doing this. It would beep for awhile then stop, and maybe start up again for no apparent reason.

Others have commented their problem was a defective sensor on the switch. I finally got brave and pulled the panel off the driver side console to diagnose the issue. It quickly became obvious to me that the parking brake switch itself was loose. Tried to tighten, but one of the screws was stripped.

So it seems that all the downward pressure to release the parking brake caused the threads to strip and the switch became more and more loose. Turns out the machine screws go all the way through the flange on the switch so I just got some nuts to back them up and got the switch firmly seated.

SO glad to have this resolved. I just never noticed that the switch was loose - I don't tend to look at it when I am activating or releasing it.


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Old 02-03-2016, 12:58 PM   #2
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Thanks for your diagnosis and tip! Hopefully others will find this useful!

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Old 02-03-2016, 08:26 PM   #3
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That's what I like about irv2.com. No-one knows everything, but collectively we do. Thanks for the information.
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
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Old 02-03-2016, 10:10 PM   #4
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I hate to be a party pooper, but you'll soon have the same problem. The brass sensor with the red/blue/white wire is your issue. When I replaced the first one that went bad, I also used nuts and bolts to secure the assembly back into the panel. Mine went through three sensors in ten years.
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