Hi all. I just bought a used speedometer for my 88 festiva L and it has a RPM gauge and my old one does not so when i connected the new one the RPM is not working how can i fix that?
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I just went through something similar. Your car may not have the yellow/green wire at the black plug on the dash. However, the gauge cluster will have a screw on the back labeled IGN-. Run a wire from that screw to the negative side of the ignition coil (there should be a yellow/green wire at that terminal). Look at my post, it may help you:
Oscar
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