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OK, found the gauge and instructions online; thanks for that.
Hey Mr. NM9,
Don't thank me. Thank YOU for getting involved!
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This looks to be a standard gauge and sender arrangement. I can't find any info on this in the prior posts, but did you install a certain sender in the fuel tank with this gauge?
They were both gotten at the same time and were a matched set. Both S-W, and allegedly made for each other.
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I ask because this model is for a specific tank sender. You report the gauge as being accurate in some modes so it may be fine but just want to have a complete picture.
Alright.
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Also, I would change the gauge ground from the gauge bezel; that is not necessarily a good ground. I would run the gauge ground directly to chassis. It may not change anything.
Actually, with the way that this complete set of S-W Gauges are mounted in an Aluminum Plate, and includes an Ammeter, Temperature, Fuel Level, Oil Pressure, Speedometer, and Tachometer. The Ground for each checks perfectly.
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Check the voltages as requested and that will give good info.
Well, went out this morning, started Lorrie's mighty 225 Slant Six Engine, and moved Lorrie over to be in the shade all day just in case this turned into an all day ordeal.
Checked the Voltage in the Battery. After having just run for less then five minutes, the Battery showed 12.86 Volts.
Disconnected the Ground Cable from the Negative Post.
Installed the Fuse in the Fuel Gauge Line.
Put the Multimeter on 10 Amps, and checked between the Ground Cable Fitting and the Negative Post. Got a reading that fluctuated between 0.078 and 0.079.
Disconnected the fittings put the Toggle Switch in the Circuit, and tested it for continuity. It tested OPEN when OFF and SHORT when ON.
Took the Wires off of it and put them on the NEW Toggle Switch. It tested OPEN when OFF and SHORT when ON.
Reconnected the Wire FROM the Fuse, and the Wire to the A Terminal of the Fuel Gauge to the Wires on the Toggle Switch.
Checked between the Ground Cable and Negative Post with the Toggle Switch OFF and got a reading of 0.000!
Reconnected the Battery, flipped the Toggle Switch to ON and got a reading that is by my reckoning about right for the amount of Fuel that is in Lorrie's Tank.
Turned the Switch to OFF and the Pointer changed positions, as the Installation Instructions says it is a "floater" (doesn't go to "EMPTY" when the power is OFF).
So the 0.080 Amp drain problem is solved so far.
Next thing to find out is if the Pointer will go to "EMPTY" now that there is absolutely no (other) current to the Gauge. If it does, GREAT! If it doesn't then we will have to continue with the diagnostics. But Lorrie won't get down to 1/4 Tank for another couple of weeks with no more than she is driven.
Thank you so very much for the help. Was hoping the culprit was the Toggle Switch because that would be the easiest thing to fix. Hopefully that's all that was wrong with it.
Will let you know in a week or two if the Pointer goes below the 1/4 mark or not.
In the meantime, Am keeping a two gallon container of gasoline in Lorrie's storage area, just in case.
Anyway, will be in touch one way or the other. Thanks again.
Take care.
JC