Intriguing! I hadn't considered such a modification for my '87 wagon, I was focusing on finding a temperature switch with lower set-points. I did find one that is lower, I think it drops the aux fan engagement temperature to 110 Celsius, but if I can bring that even lower with your idea, I shall.
-- Max Dillon Charleston SC '87 300TD '95 E300 On September 7, 2015 11:23:48 AM EDT, Dan Penoff via Mercedes <firstname.lastname@example.org> wrote: >In an effort to address the remaining items on my list for the 94 S420, >I started in this morning around 8:30. > >First thing was to add a couple of resistors to the coolant temperature >sensor for the auxiliary fans. On the 95 and earlier W140 cars, there >is a sensor on the top front of the M119 engine that provides the >setpoint (100 C) for the turning on of the auxiliary fans. I added two >2.2k ohm resistors in parallel to get the desired 1.1k ohm resistance >to lower the setpoint to around 92C. _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com