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Can't offer a reasoning other than the light might be monitored for failure: if it changes the voltage on the circuit and perhaps causes another warning light to work like the SES light on my VW which is odometer based. You probably could even use a different colored led biased backwards or a common cathode multi colored so normal is green and failure goes red and the mix would be orange.
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
Last edited by Piotrsko; 09-28-2021 at 10:49 AM..
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