tested my 156 cf2 with rpm sensor unplugged. fuel pump still was activated, humming noise in the back was clearly audible when key is on.
tested the 146 again, fuel pump relay clearly clicks, but power doesn't get to the fuel pump as no noise is heard from the fuel tank area and i'm getting 0V at the fuel pump terminals when key is on.
i'm concluding the cause is a bad contact somewhere, but where?
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