Guess this is the first of the dreaded GM electrical failures you were speaking about.
Any ideas, before I take it in to the dealer and have to buy the truck back from them when they repair it?
LOL. Share the love.
I always check the connectors first but it’s probably a dead motor. I think those are pretty easy to get to under the seat, after removing it, but I haven’t experienced that particular failure yet.
Since it’s clicking a relay, the relays tend to be how they switch higher current things. Might want to check for a blown fuse before anything else in the high current side of whatever feeds the seat motor. See if the relay is actually sending power to the seat motor. It’s a little odd it won’t move in one direction but not the other plane though. Two motors I think, one for up and down, the other for fire and aft, and then as you noted, a third for the lumbar support air pump.
While the stuff does break, I haven’t found anything other than the servos in the dash cluster that needed any more skill than unplugging a dead module and replacing it.
Or in your case maybe the motor.
Have 10mm sockets, will travel! Hahahaha.
Not really of course but I bet you won’t need any special brain cells to replace the motor if it’s getting juice and isn’t moving.
There’s probably a bunch of YouTube videos on how to do it, too.
The seat removal will require a big ass torx driver. I forget what size. Chevy loves those silly things. Harbor Freight had a cheap set that were big enough as I recall.
That’s said removing the seat is a bit of a pain just because it’s bulky and what not. I’ve been avoiding pulling my driver seat to replace the leather that went from normal to “exploded” like they all do on the outboard side where you slide in and out of the seat.
Maybe if I find my lost “round ‘tuit” in the garage and you haven’t done yours yet, I can take some photos.
But YouTube probably has a bunch of videos. If not for the motors definitely for removing the seats to do the upholstery re-fit and you can probably see how they disconnect and reconnect the motors electrically at least.
