super-mag transformer help

can anyone help identify the terminals on this mag Transformer please......if the single post at the top is A,and the two posts at the bottom are left to right are B and C
the mag is a Mallory part no 310 SP and has two terminals marked P and R,
A =
B=
C=
Any help would be greatly appreciated.......thanks

 

no old timers here ?????

 

the H A M B was my last hope

 

Call Mallory!!!

 

Mallory has sold their Magneto lineup (including parts, service and tech) to F.I.E. (Fuel Injection Enterprises)

http://fuelinjectionent.com/webstore/index.php?cPath=22

 

PM GMC BUBBA here on the HAMB. I guarantee you he will know or have the wiring diagram.

 

I tried F I E,they were unable to help,I'll try Bubba,thanks for your input