You may also have any of the hot wires going to the guages or the sensors that have rubbed against the frame shorting out. That is going to be one Sherlock Holmes to find.
If a detailed physical inspection of the area doesn't show some burned insulation then using the VDO wiring diagrams, you could disconnect the sensor lead one gauge at a time till you find the culprit. That's a lot of time and fuses.
Are your genny gauges on the same circuit?
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Richard Rhonda Ty and Alex Entrekin
1995 Newell # 390 DD Series 60, Allison World Trans
Subaru Outback toad
CoMotion Tandem
Often wrong, but seldom in doubt
Rhonda's chronicle https://wersquared.wordpress.com/
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