My gauges do not illuminate, happened out of the blue. Checked all fuses and all good. Anyone else have this problem.

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2006 Jeep Liberty Limited CRD - DRL's activated, Moab wheels and 215/85/16 Goodyear Duratracs, Frankenlifted, Cummins Lift pump, Magnaflow 2.5" all the way back, no cat , suncoast, Viper command start, Valentine One.
1967 Jeep M725 - a real cream puff

Never had this problem. Is the connector wiring harness to the gauges loose at either end?

No, but I occasionaly have the opposite where they 'flare' at full brightnes for a brief moment. Of course, the dealer says no fault found.

On our (hers) Libby, the gauges would flicker off and on by themselves. You could reproduce it by jockeying the dimmer switch. It was replace under warrenty. We'll see if it cured the problem.

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HERS:'16 WK2 Limited EcoDiesel - GDE hot
HIS: '06 Liberty CRD - EHM , GDE eco, Brite Box, Stanadyne FM100, Cummins lift pump, OME lift
'06 Dodge/Cummins - Play truck; a couple of fans, a proper cam shaft, and man handled electrons by EFILive 500/900
'01 Dodge/Cummins - Work truck; Lots of mods