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I believe I said about ~10V out of the step down (VOLTAGE STABILIZER or VOLTAGE REGULATOR) ...(9.9V IS ACCEPTABLE)
The voltage range across the tank sending unit I needed to look up...(~8 VOLTS FULL & ~2.5 VOLTS EMPTY FROM MY NOTES)
CLAIRIFICATION: MY GROUND WIRE COMMENT WAS RELATED TO A SEPERATE GROUND WIRE CONNECTED DIRECTLY TO THE TANK SHELL.
RESISTANCE IS 20 OHMS WHEN FULL / 67 OHMS AT HALF FULL / 240 OHMS AT EMPTY - AS PER THE MANUFACTURER.
Good Idea Jim - Try connecting the two wires together and see if the gauge pegs full. It should...
You went thru the process of trouble-shooting very well.
The voltage stabilizer in & out numbers are excellent, you have power to the tank sender, so that wiring to the tank is ok, you now know what is working properly. Did you check the wire connections on the fuel gauge? I'm not sure what your 24V comment is about...you don't have 24V anywhere on the car...
REVISED WITH UPDATED INFO FROM MFR. (CAPS)
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Last edited by Blas; 02-01-2011 at 10:23 AM..
Reason: REVISED WITH UPDATED INFO FROM MFR
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