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  1. #1
    Mike
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    Z3 power seat not working

    I tried moving my drivers side seat forward. I didn't realize a vacccuum attachement was lodged in front of the seat frame. The seat went forward a short distance and then stopped. Now it will not go forward or backwards. The raise and lower work fine. I checked the fuse for the drivers side power seat, it is fine. I did not detect the smell of a burnt motor or hear any popping noises. Does anyone have any ideas? Is there another fuse or breaker anywhere for the power seat motors?


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    Member No: 4578 wawuzit is an unknown quantity at this point wawuzit's Avatar
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    check this link out...alot of info


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    Re: check this link out...alot of info

    Thanks for the link. There is some helpful insight into the power seat construction and seat removal. I appreciate the help. I get the feeling I'm gonna be replacing the driverside (forward/reverse) motor.

  4. #4
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    Re: Z3 power seat not working

    Checking the wiring diagram for a 96 - 98 (regular seat), the only fuse for the driver's side is fuse #19 (30 amp). If you have sport seats, the fuse number is the same but the circuit is much more complicated.

    For regular seats, there are no limit switches, or any other device to shut off the seat motor when the seat gets to the end of the track. Therefore, I would think that no harm would come to the motor if something jammed the track and stopped the seat movement (not much different than hitting the end of the track). My guess is that the seat is still jammed on something. Check your track closely to make sure a small piece of plastic, or something else isn't wedged somewhere in the track, which is locking the seat movement. You might even try giving the seat a good whack (with your hand) while you have the switch in the "back" position.

    If you have sport seats, or if the "whack" doesn't work, send me an e-mail.


    Vaughn

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    Re: Z3 power seat not working

    Thanks fot the help! After studying the drawings and photos on the web site that 3litre sent me, I had a good handle on how the seat operates. vnc was right, the motor was not harmed by being jammed. By moving the shish kebab drive rods while depressing the forward/rev. switch the seat unlodged. IT WORKS!!!! Thanks for the help guys!!!

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    Z3 Power seat wiring diagram

    The passenger seat on my 98 Z3 is stuck in the forward most position. I'm thinking it may be the motor. I would like to switch the wires leading from the different motors to the switch to see it I can get it to reverse. Does anybody have a wiring diagram for this vehicle they can take a look at for me. The one motor has green and light blue wires leading to the switch. The other motor has red and purple wires leading to the switch. I just want to make sure verify the polarity. Any help would be greatly appreciated.
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    I know this may sound a little off the wall, but are you sure there is nothing in or on track. I had a ball point pen jammed in mine. I found it when I pulled the seat out to fix the bushings.
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    no, there wasn't anything stuck in the track. The problem was with the motor. I reversed the polarity of the wires as suggested by someone on one of these forums, to move the seat back. I was very happy not to have to put in any money to fix the problem.
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    I need a little help too. My 98 has a bad power connection under the seat,main power no problem.Here is my problem,on the main wire into the plug from the floor to the seat is a brown ground and red power,however there is a 3rd smaller wire. does it hook to the power side of the plug or to the ground? I am going to make my own connectors and need info on that small wire. The plug that it plugs into doesn't have it,so it has to be pos. or neg. any help?
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