Ok…before I forget, thank you for your help.
Out of the 4 fuel gauges I have I have three different outcomes.
Fuel Gauge #1 and 2, the “A” post (feed post to oil and temp) shows battery voltage.
Fuel Gauge #3 the “A” post shows 0 volts
Fuel Gauge #4 the “A” post is interesting. I’m using a...