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Greetings all, I am very excited at the prospect of potentially finding the problem with my shift light! To answer Walt; I have the revs set to about 6000 RPM on the bench with a frequency generator. It is literally at the start of cranking that it flickers a few times and that is all. While out on track, it does not illuminate ever (my rev limiter is 7300). The circuit is wired into the car power, so Walt's idea of an independant power supply is interesting. As for Jim's question of the regulated output, we don't explicitly show the lines. The regulator output is shown as 12v on pin 3. At the top of the circuit, you will see 3 other points that are the recipients of the regulated power, also marked as a 12v pad. By the way, as a result of Jim's question, we noted that 12 volt is an error. It is actually 10 volt, so as to have some headroom. Hopefully soon we can update a revised drawing (point out any other discrepancies). Keep firing questions cause I think we can have a nice little device for about 5 to 6 dollar total investment! Peter
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