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Old 09-23-2012, 06:12 PM   #1
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Air brakes gauge

Hello,
WE are full timers and live in a Tradewinds National LTC 39 Ft MH, I have my front air tank gauge needle going from 130 psi to 0 to 75 to 0 to 130 and the red light is flashing and alarm when below 65psi as it should do, have check red and wht wire and connection look ok at sensors. Any body have any ideas.
Thank you in advace for your time.

Vincy
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Old 09-23-2012, 06:16 PM   #2
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Maybe a bad sensor? Have you manually checked pressures?

btw
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Old 09-23-2012, 06:27 PM   #3
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Welcome Vincy. Two suggestions - post the year of your motorhome and post your question in the chassis section since this is a chassis related issue rather than the body builder. If you have Freightliner chassis this is a known occurrence and there are different fixes for the various year models.

Post back with chassis make and year and we'll be glad to help. BTW Vincy, you can add your make/model/year to your signature line, it'll save you some time in the future.
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Old 09-23-2012, 07:38 PM   #4
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Thank you

Hello
As you can tell I am new to this forum Thanks for the info and where to get info. All have been a great help

Vincy
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Old 10-20-2012, 07:57 PM   #5
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I don't know if you got an answer to your question,but you have a bad VDU,Vehicle Data Unit,and when they're bad,they send an erroneous signal to the gauges. There is a repair for them,resoldering or you can get a replacement for about $450 from a Freightliner dealer. very easy replacement.
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