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#1
03-06-2008, 08:53 AM
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Screwed up instruments
In my quest to improve the lighting in my 420, I installed LED's in the instrument panel. That was a mistake. Now my gas and temp gauges are maxed out and the oil pressure only goes to 1 bar. When I switch the high beams on, the oil pressure goes to zero as well the tach drops too. I don't know what happened. The freakin LED's made the lighting worse too. All of this for nothing. I just hope that its the actual instruments that are messed up and not the wiring in the car, or else I'm up a creek without a paddle.
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1984 300SD Orient Red/ Palomino 1989 560SEC 2016 Mazda 6 6 speed manual 1995 Ford F-150 reg cab 4.9 5speed manual 
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#2
03-06-2008, 09:23 AM
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There's probably just a bad ground or something....I doubt its anything major.
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-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#3
03-06-2008, 10:30 AM
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Probably, but man theres a lot of crap under there. I don't even know how to begin to trace it down. On some cars if you cround the connectors for the gauges they max out. I wonder if thats the problem here, something is grounded at the instrument.
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1984 300SD Orient Red/ Palomino 1989 560SEC 2016 Mazda 6 6 speed manual 1995 Ford F-150 reg cab 4.9 5speed manual
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#4
03-06-2008, 10:35 AM
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Did you replace the LEDs with the normal bulbs to see if the problems went away?
Check for any burn spots on the gauge circuits...if something overheated and shorted a lead, it could cause the type of problems you describe. Check fuses too. Most likely you didn't blow any, otherwise the whole cluster would be dead.
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2009 ML350 (106K) - Family vehicle 2001 CLK430 Cabriolet (80K) - Wife's car 2005 BMW 645CI (138K) - My daily driver 2016 Mustang (32K) - Daughter's car
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#5
03-06-2008, 11:33 AM
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Quote:
 By the way, I just found this thread, and it might solve my problem, as the high beam is acting weird also.'91 560 electrical issue.
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1984 300SD Orient Red/ Palomino 1989 560SEC 2016 Mazda 6 6 speed manual 1995 Ford F-150 reg cab 4.9 5speed manual Last edited by E150GT; 03-06-2008 at 12:58 PM. Reason: ADDING MATERIAL
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#6
03-07-2008, 08:07 AM
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I put a jumper from both the fuel and temp gauges and they worked. Why would the cluster lose ground just from removing it from the car?
__________________
1984 300SD Orient Red/ Palomino 1989 560SEC 2016 Mazda 6 6 speed manual 1995 Ford F-150 reg cab 4.9 5speed manual
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