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Date: Sun, 29 Aug 2004 22:02:40 -0400
From: KeithG <noonenospamay.com>
Subject: Re: Cruise on 9000CSE


As I said, interesting. Sorry for the mis-direction. I am looking a US EPC. The 1995> part number looks like the stepper motor I am referring to. It must also have the electronics in it as well so that it is mostly a stand alone system. This EPC does not show a vacuum pump on the 95>. I just assumed that it was connected to the Trionic. If yours is the earlier style <94 and it is intermittent and the ECU is a Hella ECU (mounted separate from the actuator), all I can suggest short of oscilloscopes and frequency generators is to try a replacement used unit and see if it is better... The defective units on the C900s (92-93) are Hella as well. They seemed to have poor solder or cold soldered joints. I was able to resurrect 2 of them by removing the red muck from the board and removing the solder and resoldering all the components. Tedious work. KeithG Richard Sutherland-Smith wrote: > In message <FM-dndAC_sQbya_cRVn-rgnospamopenwest.com> > KeithG <noonenospamay.com> wrote: > > >>Hmmm, Interesting. I just went out and verified that I was not smoking >>crack. My '97 CS (and I think my previous '95 CS) has the electronic >>Cruise... The stepper motor is right behind the battery. The EPC says >>this was changed for 1995-98 to be the electronic unit. >> >>If yours uses the Hella Cruise ECU - 41 08 643, it is the notorious late >>C900 unit. It is used in C900 92-93. I have had 4 of these and 2 were >>intermittent at about 100k and required resoldering, one was dead at >><100k and one worked still (at 170kmi!) >> <snip> > > > Speed control ECUs > 9000 up to 87 95 60 905 > 88/89 95 26 757 > >1991 95 26 757 > 1992 41 08 650 > 1995> 44 33 108

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