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Old Mar 15, 2017 | 12:35 AM
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Default Seat Switch.

I have had problems with both seat switches getting stuck.
I was able to source some used ones for now but man, they are getting rare and expensive.

I am wondering what really goes wrong inside these things. Has anyone dissected one of these? I would like to rebuild my old ones for future use.

Any one know what is inside?
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Old Mar 15, 2017 | 09:57 AM
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Gremlins !!!!

Last edited by Vetteman Jack; Aug 18, 2018 at 01:17 PM.
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Old Mar 15, 2017 | 03:18 PM
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My car seems to have had all the usual gremlins.

It is a project car so gremlin chasing /proofing is part of the challenge. When I get my replacement units I will try to open one of the old ones and see if there is a fix.

This forum has been a valuable resource for so many other issues. Maybe I will find something new to contribute if it turns out to be serviceable. I will take pictures either way.

I'm assuming I will have to cut the plastic welds with a Dremel and epoxy it back together when finished.
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Old Mar 15, 2017 | 06:25 PM
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Mine had short circuited and fried the board in the switch. It comes apart, maybe a solder joint broke.

Last edited by Vetteman Jack; Aug 18, 2018 at 01:20 PM.
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Old Mar 15, 2017 | 06:39 PM
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^Possible.

On the drivers side the lumbar is on when the switch is in the center at rest and down. It shuts off when you pull up on the switch.

The passenger seat does a chattering thing. Tick tick tick like a partial short circuit. I actually thought it was a leaf spring cracking at first because the sound was coming from the bottom of the floor board.
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Old Aug 18, 2018 | 10:18 AM
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to Rob 02
How did you fix the drivers side lumbar
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Old Aug 18, 2018 | 10:26 AM
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I’ve seen those switches burn out the seat control module and the motors. The switches are all Chinese and crappy. I’ve had more than one bad right out of the box.

Even more rare than the typical lumbar seat switch is the base sport seat switch. They don’t make them aftermarket and finding a used one is difficult and expensive.
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Old Aug 18, 2018 | 12:36 PM
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With the switch out the memory will still work.
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