Fuel gauge help
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Cross-Country
Joined: Nov 2021
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Fuel gauge help
Looking for a little help. My gas gauge is on E and there’s gas in the tank. I replaced the sending unit because that was bad but still the gauge is on E. Test light with ground clamp to ground and then test light flashes when probe to orange wire. Is that normal?
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Cross-Country
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Lead Gopher
Joined: Aug 2012
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From: Seattle
Yes, if I understand where you are testing, the "Constant Voltage Regulator" takes the 12V system and reduces it down to an average voltage of roughly 5V. It uses a bi-metal spring inside that constantly goes through heat/cool cycles which "makes" and then "breaks" the circuit causing your test probe to flash.
Thread Starter
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Cross-Country
Joined: Nov 2021
Posts: 69
Likes: 5
Yes, if I understand where you are testing, the "Constant Voltage Regulator" takes the 12V system and reduces it down to an average voltage of roughly 5V. It uses a bi-metal spring inside that constantly goes through heat/cool cycles which "makes" and then "breaks" the circuit causing your test probe to flash.
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JOHNDRIVESF3
1948 - 1956 F1, F100 & Larger F-Series Trucks
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Jun 19, 2017 10:49 AM
