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Answer
Quote:
Originally Posted by lacolocho
77 300D
Problem is that the cluster lights are VERY dim. All the bulbs appear to be good. The other lights (heater, shifter) are at full strength. All lights respond well to the dimmer.
I thought a rheostat failure meant no lights at all, but perhaps I thought wrong?
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I suggest you read this thread.
http://www.peachparts.com/shopforum/general-information/296474-w123-instrument-cluster-printed-circuit-board-repair.html
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ASE Master Mechanic
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Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
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1985 300SD
1983 300D
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