i just added a voltage reducer leading to my gas guage. as with the one i added to the heater circuit (an earlier post), this one also registers 12 volts on both sides of the reducer. i thought it should read 6 volts on the gas guage side. also the guage continues reading full, with or without the reducer, even though there's only a couple gallons of gas. any guidance on these two issues would be appreciated. thanks so much.

Che
1950 Chevy 3100