Westach and Falcon same as CPS gauge?

[C5Engineer 1170]

My water temp gauge has been bouncing around a lot lately. It has CPS (California power systems) on the face of it. The Westach and Falcon gauges look identical to it. Anyone know if the backside of all these is the same? I really don't feel like draining the fluid to change the sender out if they are not the same connectors.

Edited 5 Dec 2015 by C5Engineer

[TJay 1041]

Not sure about the gauges but the senders are usually all the same.