I am acclimating to the 1993 U240 with CT 3116 and Allison Transmission, and wondered if this coach has a receiver for an electronic engine/trans code reader or systems analyzer like the Prolink 9000 we used for the U300 Grand Villa. I am not at the coach right now and cannot look for a plug. In the U300, the receiver was under the dash to the left of the drive.<br/>Any...