All other power seat movements still work. What's more probable ... Broken wire ... Failed motor (85k) ... Stripped plastic gear ?
I have a 2005 Sedona with a passenger seat that quits every few months. The problem I have is in the switch assembly found by removing the collar around the base of the seat. You will see the wire harness that feeds a plastic box. Before opening the box, a warning...Inside there are metal contacts with these little metal balls on top. It would be very easy to loose them and then you have to buy a new switch (I think the dealer said $160!).
Very carefully remove the cover by using a small flat head screwdriver and lifting the edge flaps. (These break easily) The switch contacts that sit under the balls get corroded, so I use an eraser and or the screwdriver to clean everything. Put it back together and we're go to go until the next time my kids have messed around with the seat and got it stuck again :-)
Hi there, T,
If the gears in the motor assembly are stripped, you will hear the motor running when you turn the switch on. To put it simply, NOBODY can tell you which it is without diagnosing the problem. There are separate motors for each of the seat movements. So yes, a failed motor COULD be the problem. However, my experience with electric seat problems indicates that there are usually broken wires involved.
Things get put under the seats like umbrellas, kids toys, CD storage boxes, etc.. and they get caught in the wiring under the seats. Motor failures are fairly rare, but they do happen. I would say that the most likely cause is a broken wire with a bad control switch running a close second.
Personally, how I would go about this is to unbolt the seat from the floor and tip it back to see if there is anything obvious. If there is nothing that just jumps right out at me (like shredded wires or the long-lost Happy-Meal toy jammed in the mechanism), I would begin electrical testing to find the cause (the seat has to be tipped back to do this anyway - so, no labor lost here).
First check the switch,motor is OK since other movements are OK. also find out the welds they use under the seat to connect the steel brackets are not that strong and snap leaving the seat at an angle position.The best bet is to look under the seat at the side thats angled down and look for a long metal pipe with a U shape it might look a little rusted.If this is so you need to find a welder to reweld the two pieces.
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