Speedo board burned out and took the od wire harness with it. This and the harness did the trick.
1990-92 Chevy Camaro Speedometer Circuit Board. (Plug Type 2)
GM Speedometer Circuit Board for Camaro.
Tachometer Tester to test the Speedometer.
Includes warranty. GM direct fit part.
1990-92 Camaro Speedometer systems are different depending on model year. Speedometer malfunction or failure can be caused by a number of different causes. The most common causes is the Speedometer circuit board. This board is located in the gauge cluster near the speedometer.
IMPORTANT - There are two different plug types. These Speedometer circuit boards have the plug type shown in the photos. Please check compatibility with your speedometer before ordering. For a different plug type - See 1990-92 Chevy Camaro Speedometer Circuit Board (Plug Type 1)
We have a Blog post with more information about this topic here. 1990-92 Camaro Speedometer help.