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I notice from time to time both the fuel and temp gauge in my 81 300TDT jump around. Any ideas on what causes this?...grounding? sending units? others?
 

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Mine did the same thing and I found a questionable ground. After fixing it the syptoms changed, but the gauge was still doing strange things. I found a used gauge and that cured the problem for me. Hope this helps.<br> Chris<br> 83 TD
 

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I can't promise results, but only what worked for me.

The left hand knob on the...


I can't promise results, but only what worked for me.

The left hand knob on the cluster, the one for resetting the trip and dimming the gauge lights...well that was corroded. I removed the dial, and (gasp) hacked it apart and hard wired it together (so no dimming feature) My gauges haven't jumped since.

Shane Kullman
'82 300D Silver
 
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