Join Date: May 2007
Location: Baltimore Maryland
Re: Tach not working with MSD 6AL
I think you may have it hooked up wrong. I had a 6AL and didn't have to use a tach adapter. You need to take the wire on the back of the tach that was on the negative terminal and plug that into the tach output of the 6AL. My tach is also an Autometer.
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