Cutlass rally gauge problem...

[88hurstolds]

Did your car come with gauges to begin with?
If not you need to swap pins and such...
Here is everything you need to know:
http://tech.oldsgmail.com/eint_rallye_swap.php

 

[88hurstolds]

Ground is the biggest problem with gauges, make sure all your connections are properly cleaned and also make sure the ground wire hooked up to the speedo cable is fine.