Gregg Brightwell
Well Known Member
So last night I started a thread about what folks were using as a standalone low fuel indicator. I might have come up with a solution while driving home from work today. My past life as an avionics tech thought of this:
According to the specs on the SW fuel sending units (from memory) I think there is about a 20 ohm resistance reading at "full" and 240 ohm at "empty". It seems to me that I could build a circuit, using the output from the SW unit, to "trip a light" at some predetermined resistance threshold. For example, at 3 gallons (whatever ohm reading that turns out to be) using only the SW unit.
I don't even know if this is an original idea or not, but it DID pique my interest.
Ideas? Thought? Has this been tried?
According to the specs on the SW fuel sending units (from memory) I think there is about a 20 ohm resistance reading at "full" and 240 ohm at "empty". It seems to me that I could build a circuit, using the output from the SW unit, to "trip a light" at some predetermined resistance threshold. For example, at 3 gallons (whatever ohm reading that turns out to be) using only the SW unit.
I don't even know if this is an original idea or not, but it DID pique my interest.
Ideas? Thought? Has this been tried?