That Sears model will do the trick. Just remember to use the black lead to pin 3 on the diagnostic port and the red lead to ground. I can't recall the reason why right now, but there is a reason.
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.