For those in the know, how is the tire pressure sensor mounted inside the RIM?

Is it on the backside of the valve stem, or mounted elsewhere inside the rim?

I have a chrome wheel that was rashed by the previous owner. I want to replace it, but the only identical looking and 17x7 size is listed as a malibu rim. I am curious about the transfer of the TPS sensor.

thanks,
steve

 

My stock SS came with a threaded stem with the senor on the end of the stem. THe steel wintet wheels use a rubber stem with the sensor on the stem.

The new systems are on the valve stems and can be used on most any wheel.