Quote Originally Posted by Matt167
if you are worried about the pos ground.. just isolate the gauges from ground and hook them up the way they were designed... I would use a Mopar solid state reducer rather than the runtz resistor.. you can get these right from the dealership

only problem with that is the sending units would also need to be isolated because they will now be neg grounded thru the bock on the temp and frame on the fuel side. As I understand it with a 6v pos ground car the frame was hot?