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Re: 745i engine temp (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Bob745 on May 25, 2001 at 11:52:34:

In Reply to: 745i engine temp posted by Sven on May 25, 2001 at 10:36:52:


The four wires going to the lower corner of the radiator are for the auxiliary fan temp switches, low and high speed. They have nothing to do with the temperature gauge.

Temp. gauge gets its signal from the switch located in the thermostat housing. It is the one closest to the drivers side. The other two are temp/time switch (middle position) and temp. sender for the Motronic (passenger side).



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