Speedo board burned out and took the od wire harness with it. This harness and the board did the trick.
1990-92 Chevy Camaro Speedometer Wire Harness. (Plug Type 2)
1990-92 Chevy Camaro Speedometer Wire Harness. This is the Wire Harness that attaches to the Speedometer Circuit Board and the Odometer Motor.
These sometimes get burned when the Speedometer Circuit Board fails. We rarely have these available - if out of stock you can sign up for stock notification.
IMPORTANT - There are two different plug types. These Wire Harness's have the plug type shown in the photos. Please check compatibility with your speedometer before ordering.
We have a Blog post with more information about this topic here. 1990-92 Camaro Speedometer help.