Homemade gauge test tool, C-3826
Hello. I was working on trying to get my fuel gauge working correctly since the new ones you get at the parts store I put in some time ago are linear. Found two original fuel sending units and bought them. One looked in good shape kept that one and sent the other one to a place that rebuilds sending units. both units didn't put the gauge at full. So I made a device to test the gauge With a variable resistor and marked positions for F, 1/2 and E with ohm meter. See attached photo. After testing it looks like the old style voltage regulator wasn't working correctly so ordered one of the solid state replacements ones that are listed at helping the gauges be more accurate. Ordered from Classic Industries.
Even tried connecting testing unit directly to the battery negative and gauge still wouldn't go to full unless I decreased the resistance below the spec for full.
Hello. I was working on trying to get my fuel gauge working correctly since the new ones you get at the parts store I put in some time ago are linear. Found two original fuel sending units and bought them. One looked in good shape kept that one and sent the other one to a place that rebuilds sending units. both units didn't put the gauge at full. So I made a device to test the gauge With a variable resistor and marked positions for F, 1/2 and E with ohm meter. See attached photo. After testing it looks like the old style voltage regulator wasn't working correctly so ordered one of the solid state replacements ones that are listed at helping the gauges be more accurate. Ordered from Classic Industries.
Even tried connecting testing unit directly to the battery negative and gauge still wouldn't go to full unless I decreased the resistance below the spec for full.