On Sat, 03 Mar 2007 09:23:55 -0500, Russ Haggerty
wrote:

Looked in the obvious places on the fire wall inside and outside, by
the pedals and in the belly. Where did they hide it ?????
Thanks for any hints......

In my M20E, it is on the cabin side of the firewall, upper left (pilot
side), with the filler on the engine side of the firewall.

Dunno about a J, though.
--ron