Instrument Cluster Ground Issues W123
Instrument Cluster Ground Issues W123
Here it is after re-soldered
Here is the backside of the cluster with the tab touching the ground (no screw installed yet)
1980 Mercedes 300TD - Engine: 1983 OM617, W126 rear "blue" springs, turbo front springs, ALDA and rack limiter removed, boost @ 12psi. 2.5 inch exhaust off 6.9 diesel, straight pipe. Manual climate control. 2.88 diff.
mo1971fordcrew
02-11-2015, 03:11 PM #1While I was repairing my broken odometer (pot metal gear slippage), I noticed the ground prong that connects the oil/fuel/temp gauge portion to the rest of the cluster was broken. This might explain why my glow plug light works sometimes? I think those lights in that portion of the cluster ground to the metal housing. Soldered it up and seems to work fine now. I don't know if anyone has had this experience, but I figured I'd share as this may be an overlooked aspect. On newer models, would this explain a jumpy tach or do those have separate grounds?
Here it is after re-soldered
Here is the backside of the cluster with the tab touching the ground (no screw installed yet)
1980 Mercedes 300TD - Engine: 1983 OM617, W126 rear "blue" springs, turbo front springs, ALDA and rack limiter removed, boost @ 12psi. 2.5 inch exhaust off 6.9 diesel, straight pipe. Manual climate control. 2.88 diff.
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