Low Fuel Indicator

Dubuque said:

Has anyone ever troubleshooted a bad or incorrectly adjusted sending unit in the gas tank? Mine has not operated since I had replaced the fuel filter last summer at the rally in Spokane. My Haynes book suggests reading the resistance across the unit with it at various levels. I tried to get a reading from the pig tail while the sender is still mounted in the tank but get very erratic readings. It could be something else but with it happening right after replacing the filter is suspicious.

Any thoughts or suggestions?

Tom,
When you replaced the fuel filter, you have entangled the float assembly in the hoses. This is a pretty common occurrence if you are not anal about getting the mounting plate back in exactly as you took it out.
The low fuel lamp is turned on when the float reaches the bottom of it's travel. Once you fix the interferrence problem, you can adjust the low fuel lamp to come on sooner or later by slightly bending the float arm up(later) or down(sooner).
The long round tube that enters from the top of the tank is your actual fuel level indicator(RID bars) and is unaffected by the float.

HTH,

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