Originally posted by tclederman:
Does anyone know if a 6v negative ground unit can be used in a 6v positive ground vehicle? It seems to me that the polarity should not matter relative to the way a sending unit works.
A resistor doesn't care which way current flows through it. It simply reduces the voltage. Any GM 6 volt sending unit from this era should work. If you really want to check, put a good ohm-meter across the senders and compare.
