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I had the same problem. Seat reclines back but wouldn't come back up. Had to unzip back of the seat to get access to the connector for the recline motor. Made up some jumper wired to reverse the "up" and "down" wires. Then the "recline back" switch would bring the seat back up. Got it into the "ok-for-now" postion and pulled out the jumper wires and left the recline motor connect unpluged so no one would send the seat back down without the pain-in-the-a$$ to get the seat back up.
There are several posts and YouTubes on getting in and fixing the seat switches. I thought I'd give it a try. I won't recount what a tedious operation that was, with dubious results. When I opened the switches, the contacts were perfectly clean and shiny. I couldn't get them any cleaner.
I then figured that some less-engineered version of Nissan would have the same switch internals. Base on the pictures of the part, I bought a Nissan part #87066-CD001.
Which one did you disconnect and jump bc there are 2 connections in the back seat
The 350Z switch pigtail is too short to reach the G35 switch connector under the seat so I butt-spliced the 350Z switch to the G35 wires.
This is the fun part...
The wire color sequence the 350Z switch is a mirror image of the G35 switch. So I did the obvious, I butt spliced the 350Z switch to the G35 harness as if the color sequence was not backwards.
Long story short: Put it all back together and IT WORKED (with one minor screw up). The front toggle moves the seat front and back BUT push the switch forward and the seat goes back, toggle back and seat goes forward. Same 'backwards' toggle throws for the backrest recline.
The fix is to reverse how I now have the forward & back signal wires connected.
My 2006 G35 seatback recline switch broke. I bought the same 350z switch to replace it. In my car, the wiring was an exact match except that I had to swap the blue and white wires with each other (blue --> white, white --> blue). Just goes to show that Infiniti is not consistent with its wiring.
Not sure where everyone having this issue is located but my repair shop Extreme Motor Sports was able to fix the switch without replacing seat or any assembly parts! http://extrememotorsportne.com/
GET OUT THE CAR.. OPEN BACK DOOR.. PUSH THE RECLINE BUTTON FORWARD WHILE USING THE OTHER HAND TO RAISE THE SEATBACK UP WITH A LITTLE 💪... TRIED THIS AFTER DOING ALL THE TIPS YOU GUYS GAVE.. 👌🤣 SAVED A LOT OF MONEY ON MY CAR INSURANCE (GEICO).
Also stop sleeping or having so much sex in your car. 🤷🏾*♂️