speedometer not working. on 1990 Nissan 240SX

My speedometer is not working anymore.. all the other gauges work, just not the speedo. I replaced the cluster along with the speed sensor. And it still wont work. any suggestions??

1 answer
At this point, I'd suggest an auto electric shop or a Nissan specialist.
If you want to find a specialist, here's our directory link for you:
https://repairpal.com/directory?address=83864&car_brand_names=Nissan