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Old 09-14-2019, 02:04 PM   #1
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Monaco Owners Club
Join Date: Aug 2019
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2007 Cayman Air pressure gauges

Hi All, New to this forum and new to us 07 Cayman.

The air pressure gauges are very irratic. No air leaks, but they are all over the board. I have searched and seen alot about Freightliner chassis but not much about Roadmaster. Any help would be greatly appreciated!

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Old 09-14-2019, 11:33 PM   #2
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Have you checked the air tanks for any moisture. Has the air dryer been changed.

2 stroker

2006 Country Coach Inspire 360 40ft Genoa Designer Series, Samsung 197 RR
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Old 09-15-2019, 10:14 PM   #3
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I recently purchased a 2007 Cayman. Shortly after I got it the entire gauge panel went nuts including the air pressure gauges. I determined that the contacts of the plug that connects to back of the speedometer were apparently corroded. I unplugged the connector and gently buffed the connector pins with a fine sandpaper fingernail file. Plugged it back in and haven't had an issue with it since.
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Old 09-16-2019, 06:34 AM   #4
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Tanks are dry. I have a new filter cartridge on the way for the air drier. Will have to check the connections at the gauges. I looked up and made sure they were connected firmly but didn't unhook to look for corrosion . Thanks for the replies.
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Old 09-16-2019, 09:13 AM   #5
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Location: Columbus, MS
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

I would look for a bad wiring connection.

Noticed you are kinda new on IRV2 and wanted to say hello!

Good luck, happy trails, and God bless!
Joe & Annette

2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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Old 09-17-2019, 07:39 PM   #6
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Gauge wiring ground is often daisy-chained together, with one common wire to ground.
Sorry, not familiar with your particular coach to help you with where the ground block is, but you should be able to track down that wire and make sure it and all of the other ground connections are tight with no corrosion.

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air, gauges

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