1972 Chevy Fuel Gauge Wiring

It is a great write up on how to diagnose the problem with your fuel gauge.

1972 chevy fuel gauge wiring. C10 truck 1967 chevy c10 truck 1968 chevy c10 truck 1969 chevy c10 truck 1970 chevy c10 truck 1971 chevy c10 truck 1972 chevy c10 truck 1973 chevy c10 truck 1974 chevy c10 truck 1975 chevy c10 truck 1976 chevy c10 truck 1977 chevy c10. Back to faq home home. What i would do first is to attach a wire to the sending unit and ground it then see if the fuel gauge works. Blue position 6 wire of the gauge cluster harness.

Covers 1972 chevelle malibu monte carlo models with round gauge pods 12 pin connector on back of circuit board 10 pins used. Troubleshooting your chevy truck gas gauge failure. This verifies the gauge and wiring is working. Dash has instrument lights for oil temp etc complete basic car included engine bay interior and exterior lights.

If you do have 12 volts to the fuel gauge the next step is to remove the fuel sending unit wire and with the ignition key on ground the sender wire to a good chassis ground. Removing the sending unit wire from the chassis ground the fuel gauge should go directly to full. The fuel gauge should immediately go to empty. Most gas tank units consist of two parts the gas gauge mounted in the dash and a tank sender mounted in the tank.

The lack of ground here is the most problem when the fuel gauge wont work in one of these vehicles. Fixing the gas gauge on my 1971 c10. 1972 chevy chevelle malibu monte carlo color wiring diagram. Mark boice 6 608 views.

1970 impala fuel gauge not working fuel sender gas tank problems. If the fuel. The following trouble shooting instructions apply to the ac type fuel gauge which is one of the most common type. 67 72 wiring diagram.

1967 1972 chevy truck installation manual. Most gm same problems duration. Tank sending unit sending unit float only if not replacing the full unit voltage regulator. Fuel gauge doesn t work fuel systems fuel injection.

8 connect the fuel sender 0 90ω to the tan position 7.