The K40 relay is a large circuited pod under the ECU cover. It has a couple fuses on it as well as a small relay and some wires.

It's about 4" by 1.5".

It controls a variety of vehicle functions and can make the engine not run.

__________________
-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250