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Re: Cruise Control Diagrams (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Scottie 85_535i 84_745i San Jose CA on September 24, 2001 at 15:37:23:

In Reply to: Cruise Control Diagrams posted by Rob Raine on September 23, 2001 at 05:21:28:

The cruise control uses the SI board for its signal. If your SI board is out, your Cruise and/or OBC MAY not work. I say may because it is unpredictable. I have had various symptoms of bad SI boards depending on what's bad, whether it is just a dead battery or a crack on the board circuits, etc.

Are your OBC speed functions working? If so, then I would try to replace your cruise control module with a known good one.

Scottie

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