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Old 04-07-2009, 08:48 AM   #1
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Question Dash Gauges Inop

2003 Tiffin, Allegro Bus, trouble with dash gauges and MC (message center) not operating. Per trobleshoot guide indications are to replace the VDC, with replacement of NEW VDC completed the problem still remains. Any ideas???

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Old 04-08-2009, 02:28 AM   #2
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I would first check to be sure you have good grounds, followed by good connections at both ends of the harness and no blown fuses.

Mike, RVIA & RVSA Certified Master RV Technician
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Old 04-08-2009, 04:09 AM   #3
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Thank you, I'll keep you posted as to my findings
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Old 04-09-2009, 11:42 AM   #4
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I have a HR Neptune 2007 and all my gauges suddenly did not work when I cranked it one day. It ended up being a computer reset accomplished by diconnecting the power connector to the back of the speedometer that in turn feeds the other gauges and reconnecting after a minute. I had the same basic problem with my fefrigerator about a year ago. I wonder if this might also be accomplished by turning off all the battery's feed in the battery compartment

David & Sharon with Tar the cat
2007 Holiday Rambler NeptuneXL 36 2002 Jeep Wrangler and 2002 HD Road King Classic Gulfport, MS
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Old 04-20-2009, 06:52 AM   #5
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Check the roller switch that varies the intensity of the backlighting of the gages. These have been a problem, at least on the Freightliner chassis.
Outer Banks NC
2005 Allegro Bus 38 ft.
2004 Acura MDX toad
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