Alps rotary encoder ID

Looking for the part number on this , its to a Chrysler 1994 car stereo P04704383AC, location is VR805
Only marking on it is
Alps
Japan
https://www.mediafire.com/view/lk899arhjefddsn/HPIM1410.JPG/file
https://www.mediafire.com/view/y5wpnrawhn47qem/HPIM1411.JPG/file
The shaft is broke, and does not seem to turn, but the 2 pins usually mean
its a push button type.
I do have a push button type in stock, but the shaft is larger and I guess you have to know
the resistance on the 3 terminals?
Unable to locate a service manual or schematic for this model.