Ok, I have 89 Dx hatch with no tach and I swapped in a 89 or 90 crx dash with the tach in it. I have the most strange issue. My wiring has never been touch, I had zero issues with my other speedo but this new one has the following issues. When I turn on the hazards the right side doesn't work at first but then on the second blink it comes on. Then if I turn left the temp gauge fluxes with the turn signal and goes up. I also have a strange dead spot in the middle of the rpm rang. Between 3-4k and it's only under load. Anyone have any of these issues????

 

Anyone?