Need help with power seat operations

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N2BUICK

Active Member
TurboBuick.Com Supporter!
Joined
May 25, 2001
Messages
779
Looking for someone on the site that has first hand knowledge of troubleshooting the driver power seat.
I have a power seat track I'll be selling to a board member if I can guarantee it is working properly.
I replaced the cracked housing some time ago. I put 12v to the unit and got basic operations. Before I boxed this item and finalized the deal, I decided to recheck the operations. Found all was good except the motor end of the assembly would not retract (go down) after extending up.
Oddly I can get it to go down when I reverse the polarity.
The switch im using i something I had laying around, maybe from an 86 GN?
The seat track is from a 87GN, but the switch looks different. It plugged in and works, I didn't suspect a problem until now.
Any ideas on pinning down the issue?
 

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