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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E38 (1995 - 2001)

7 Series - E38 (1995 - 2001)

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  #1  
Old 05-12-2013, 11:06 AM
1999BMW1979 1999BMW1979 is offline
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fuse box....

My fuse keeps blowing for the drivers seat and steering wheel functions have no idea y. I've gone thru
4 fuses in 4 days can anyone help plz.?????
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  #2  
Old 05-12-2013, 11:51 AM
Mayorchuck Mayorchuck is offline
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Those are both controlled by the seat module under the drivers seat. Your seat controls on the drivers side trim plug into it. Very common for these things to stop working when the connection breaks or comes loose. I would check that area to see if you have something pinching or maybe water has worked it's way down into the connector. Check e38.org for how to remove the seat trim/controls.
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  #3  
Old 05-12-2013, 06:18 PM
1999BMW1979 1999BMW1979 is offline
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Ok thanks, i'll check it in the am getting dark now.
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  #4  
Old 05-12-2013, 07:34 PM
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ebida3 ebida3 is offline
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bump

Last edited by ebida3; 05-12-2013 at 07:35 PM.
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  #5  
Old 05-13-2013, 03:20 PM
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ebida3 ebida3 is offline
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The seat and steering wheel function is dictated by a relay located behind the glovebox. I would suggest isolating the seat circuit from the steering wheel circuit by disconnecting one at a time and see if the fuse blows. If after you disconnect both the circuits and have the same problem the relay may be at fault.

This info relates to a 2000-01 model.
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  #6  
Old 05-13-2013, 04:18 PM
Mayorchuck Mayorchuck is offline
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The General Module is pretty much the same for all the e38's in regards to this circuit. Might also check the wires that comes thru the door. Seen those boots comes loose and cause chafing/open wire causing + wires to ground against the body.

http://www.bmw-planet.com/diagrams/r...8new/index.htm

After you select your model, navigate thru the tree or use the search box on bottom left.

Last edited by Mayorchuck; 05-13-2013 at 04:20 PM.
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  #7  
Old 05-14-2013, 07:27 PM
1999BMW1979 1999BMW1979 is offline
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Always read these threads at night lol when I'm chillaxn have to get at it in the am and tell ya the verdict......th
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Old 05-14-2013, 07:48 PM
Mayorchuck Mayorchuck is offline
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Same here. I read, and help when I can, in the eve when I am watching the tube. Looked at this WDS again tonight for someone else. Fuse 15 sends juice via the Red/Brown wire. Believe it in on Pin 25 on the seat module under the trim. It appears it also send the current to each of the three motors under the seat. Any of these that come in contact with the body ground would blow the fuse.

From e38.org. About half way down you will see a pic of the module I am referring above. You may find the white safety tab and part of the switch itself is broken. This may be causing pins to be pulled and touching. Just thinking out loud here.

http://www.bimmerboard.com/forums/posts/483099
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  #9  
Old 05-15-2013, 11:29 AM
1999BMW1979 1999BMW1979 is offline
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Great write up I need to get b z ad fix this issue this kind of small **** drives. Me crazy when I can't figure it out!
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