Date: Tue, 22 Oct 2002 16:24:28 GMT From: nobody <nospamthanksnopsamy.com> Subject: Re: power seats
thanks, i figured it might be some relay since it's intermittent, but had no clue where to start.then again, it only makes sense that it would be right under the seat. unfortunately i do have the memory feature, but i finally get a chance to give my car some real surgery. thanks for the help, and i'll look back and try and find that thread -trip Joe Morris wrote: > nobody <nospamthanksnopsamy.com> writes: > > >>i have a GM900 '95 whose power seats enjoy intermittently working. >>Often after just starting up, both the driver and passenger seats will >>not work for some length of time, but then both will suddenly work >>again. any help? thanks, -t > > > For some unknown reason, the power seats are designed so that the > power for the right seat is controlled by a pilot relay in the left > seat. If that relay fails (unlikely) or becomes loose in its socket > (far too many reports of this) both seats will fail to work. There was > a short thread on this subject here a couple of weeks ago. > > It's also possible (but less likely) that the main computer has failed; > one of its functions is to deliver a signal to the pilot relay whenever > the ignition is on *or* a door is open; if that signal line isn't working > as it should the seats won't work. > > If it's intermittent, that suggests that the relay is loose and hasn't > fallen out entirely. Look under the left seat for the relay and press > it back into its socket. While you're there, you might want to use > some of the All-Purpose Attachment Product (i.e., duct tape) to make > sure that the relay stays where it should. > > It will be easier if you don't have the "position memory" seats; if > you do, the control unit can make it almost impossible to find the > relay without taking the seat apart or dropping the control unit > from its attach points. I'm speaking from recent (two days ago) > experience; in my '97 900 the seats were completely dead, and in > a position that made it very difficult to see anything. > > Joe Morris
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