About us

Vojta Kopalek – Current Owner

Retired – John Kopalek – Owner and Senior Engineer Of Transmission Instruments.

Born in Prague, the capitol of Czech Republic, John and his family came to America in 1981. John is a life-long electronics enthusiast. He has worked in Television and Audio Engineering, Commercial Control Systems, Programming and Troubleshooting. He has designed and realized custom electronics test instrumentation and has created much of the specialized test gear required to service remote shifters. His latest brainchild is the Portable Transmission Simulator, featured on the ECU page.

In 1983 he opened a successful electronics repair shop, where he stayed until 1992 when he was recruited by Commercial Controls Inc., to work on all manner of transportation electronics found in Busses, RVs, Mid-sized trucks and specialty vehicles.

Seeing a need for remote automatic shifter rebuilding, he founded Transmission Instruments in 2004.