Quote:
Originally Posted by fliprayzin240sx
Double check all the bulbs, maybe they're burnt out. Also, double check the screws on the back. Not only do they hold the shit together, but they also act as an electrical connection to the gauge. For some fucking reason, my cluster was missing a few and caused the tach not to work.
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Bulbs aren't burnt out. I swapped them with the ones I know that comes on, and they still turn on.