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Speedo board question

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Old 02-26-07, 12:16 PM
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Speedo board question

Would anyone possible know what this blue "dial" in the bold red circle might be for? As I was dissassembling my speedo to repair the odometer, I think I moved it a little and now I'm concerned that I may have messed up some calibration of some sort. Any ideas?

Thanks a lot,

Ian
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Old 02-26-07, 12:21 PM
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RX-7's since 1980

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variable resistor which changes value when you turn the "dial".
Old 02-26-07, 12:24 PM
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Thanks, but in english please

What does this affect?
Old 02-26-07, 12:47 PM
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I didnt see anything in the electrical manual about the circuit board so I cannt tell you what to do, sorry.
Old 02-26-07, 01:44 PM
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It's most likely a calibration for the speedometer. Might have to drive around and see if the speedometer reads high or low, and adjust accordingly.

Dale
Old 02-26-07, 05:00 PM
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I just finished installing my speedo after replacing some bad capacitors...unfortunately now the speedo guage is reading 20 mph at idle and 60 mph at any speed. Guess it's time for a new speedo, eh?
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