[FC] Spyder Tach Troubles

[Paul Fox]

Group,
             I 've installed a Spyder dash in my Rampside. The trouble is the tach won't read above about 2k rpm. I thought it might be a bad tach so I changed it out with another. It did the same thing. I also can't get the temp gauge to work as well as the idiot lights. I'm thinking bad ground. The dash has a good ground. Should I be looking at the engine ground? Any other ideas?
 
        Thanks,


Paul Fox YS054. 66  500 racecar.

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