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Causing low system voltage? (archive)
[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]
Posted by Max Fretter (88 735i) on December 02, 2001 at 18:22:35:

In Reply to: Electrical Ghosts posted by whiskers on December 02, 2001 at 09:18:07:

Check the battery voltage & charge state -ABS is a heavy current user when it fires up that big modulator motor, and so monitors the batt voltage all the time - never knows when it'll be needed, right?

If not a suspect battery, I'd check the earth connections too... do you have a Bentley manual? That shows the earth return curcuits - I'd guess one is shared somewhere between ABS & rear defogger.

Max


Does anyone happen to know why when I press the rer defroster button (turn on) that my ABS warning light turns on! Turn off the rear defrost and the abs warning turns off. Help!




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