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Which Tach with MSD 6AL ?
Hi Guys,
Does anyone have a recommendation for which tack to use with an MSD 6AL ? |
Most tachs will work with that box. Which tach do you want to run?
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I have need to replace my SW. Somehow I manged to fry the **** thing and I need a replacement.
It worked fine for a while until I had a problem ( my fault ) with the MSD. After I replaced the MSD box the tach never worked again. |
Come to think of it, I could have rewired the tach wrong.
Maybe someone could help me out. Here are the the lables on the treminals of the unit: SIG BATT GND and a seletor swithch with the following positions. A 4cyl B 6cyl C 8cyl D Alt 12 pole E None I have the tach wire from the MSD connected to the SIG terminal The BATT terminal has switched 12V on it and the ground is grounded on the aluminum dash ( like all of my other gauges are). The needle either wanders or settles on 7k rpm. Any Ideas? Thanks |
Sounds like it could be a bad ground. Check the ground and connections. Or, the problem with the earlier MSD box could have damaged the tach. Check your ground and then go from there.
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Call Stewart Werner tech support. They can walk you through a diagnosis.
915-593-1965 ext. 154 Good luck, John |
Sometimes you may need a MSD tach adapter. I also needed a capacitor to run my tach. Call MSD there tech support is very good.
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