The Instrument Panel Is Out Of The Dash, I Need To Know Where To Run A Ground Wire To And From On The Back Of The Clusterto Get The Guages Working Again, The Tach Side Has A Metal Plate/back, The Guage Side Does Not, It Is Plastic Only,therefore I Need To Know Where To Ground This From On The Metal Side And Where To Attach It To On The Guage Side,again , None Of The Guage Clusters Are Working, Gas,oil,temp,please Reply Asap ,it Is My Daily Driver,thanks.IT IS NOT A FUSE OR SENDING UNIT ALL CHECKED.

sounds like a fuse, have you checked AND replace the one for the effected items?

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1967 250 S
1967 280SE
1968 250S
1971 280 SE
1973 220
1974 280 S
1975 450 SEL
1976 220 D
1979 300SD
1983 300 SD
1985 230 TE euro
1986 280SL
1986 500 SEL euro
1986 190E 2.3
1990 300 SE
2003 C230 K
2004 C230 K
1987 560SEL
1987 300SDL now in canada
2005 C230
1998 C43 AMG Sold to DON
1993 190E 2.6
300TD Former daily driver Totaled
current:
R320 CDI
Ram 2500 Cummins

It Is Not A Fuse.all Checked And Replaced