First off, thanks for the extremely well written reply.
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Originally Posted by Billybob
No! you can't manually operate the seat functions. A very likely cause of such a problem might be just the switch, and can be cured with a spray of contact cleaner!
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That seemed likely given the flaky response I was getting, so I ebayed two seat adjust switches. I'm sure I could've irked out some kind of response out of one of them, if the motor/relay was properly behaving. The new switches have great "action" and appear to be in superb condition, but alas, no forward/back control.
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But if that doesn't fix it quick and dirty you'll need to dig deeper. You will need to determine if the functional problem is control malfunction or mechanical malfunction. The easiest way definatively determine that is to move the seat forwards and upwards as far as possible. From the rear you will be able to look underneath the seat bottom see the square black 4 pin connectors for the five individual electric motors.
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Problem: right now the seat is as far back as possible! I can feel around and I think I know what you're talking about, but I doubt I'll be able to do anything with it.
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If only this one function will not work and you can get by with only the occasional operation make up and connect a set of leads that you can use by connecting to a cigarette lighter pigtail. Plug the pigtail into the lighter, connect the leads and move the seat in the direction you need, reverse the pole connections to move it in the opposite direction. Coil up the leads and place them out of the way under the seat and keep the lighter pigtail in the glovebox. When you construct the pigtail make it so one wire is six inches longer than the other that way there will be less likelyhood of shorting the two together and blowing that fuse! Good luck!
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I'm almost certain the forwards/back motor is burned out. It was quite a while ago, I was just sitting in my car, and I smelled that horrific smell of melting wiring. Underneath the passenger seat towards the front was quite hot. I think I managed to coax a tiny bit more movement out of it at a latter date, but that final act was the last it moved.
The passenger headrest may have a relay issue-- I can hear the motor enguaging for "down" but no response for "up", on both the old and new seat adjust switches.
I've started looking for a seat/track/motor mount, but its going to be another two weeks before I can get it installed, and the seat being so far back has really devastated my ability to carry the stuff around I need to carry. And further, now its preventing me from diagnosing what is wrong.
Are the seat/track/motor base units different for the driver/passenger side? Some of the parts I'm looking at list driver/passenger, others do not.
So, ah, any suggestions?