Quote:
Originally Posted by The Rocknrod
I swapped the leads, grounded the sender wire on the engine end and the gauge needle took a dive past the low side out of sight. That is a good thing I think.
Unplugging the sender - Gauge goes to the bottom of the sweep = 0. Should go to the top.
Since I verified 12V again and grounds again...
I can test DC volts between ignition and ground terminals with the ignition on next. Not sure what I'm looking for but I will let you know.
Then ohms between ignition and ground with the sender plugged in and the engine running, but that will have to wait a couple of days to put the other items on the truck together I've been working on (fuel and coolant).
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I tested the volts between the two sender and 12V terminals on the back of the gauge with the ignition on = 12V
Ohms between the two with ign on = 0 (not to be confused with OL)
12V to ground = 12V
Next will be - ohms between ignition and ground with the sender plugged in and the engine running.