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#15 (permalink)

09-25-2014, 08:02 PM

Xack

CC Member

Join Date: Dec 2008

Location: Chester, VA

Cobra Make, Engine: West Coast Dreams

Posts: 192

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Quote:

Originally Posted by jimbo01

Ron

What I have been able to determine is that Backdraft uses a single ground wire to all the gauges. What gauge wire I am not sure. This is not according to VDO instructions. VDO says in their instructions to run a 14ga ground wire to each gauge in order to get a correct reading. Discussing this with several other electrical minded techs, this will be my next step.

Yep, don't daisy-chain grounds or power. You can still just run a ground wire to the other end of the chain or the last point. That will give the current 2 paths instead of just one to ground. It'll be a quick fix.

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