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My seats behaved like yours after I installed a rebuilt alternator. When I started the car for the first time there was a loud pop, huge electrical draw and burnt electrical smell. I checked to make sure I hadn't somehow botched the installation but everything was installed correctly. So I started the car again and everything except the seat memory worked fine including the alternator. I could adjust the seats by moving the switches but could not set the memory. I checked the fuse, etc. and found nothing wrong. I began looking on ebay for seat modules but based on price I purchased a used seat relay and installed it and the memory functions worked. Out of curiosity I reinstalled the old seat relay and the memory functions worked. Unfortunately, I did not try the memory functions immediately before replacing the relay with the good used unit. The seat relay for this vehicle appears to be much more than a relay with IC's, smd's, etc. and I assume it has some protective function for the control units similar to the OVP. The part number is 0015427819, it lists for about $56 and it looks like the attached. Mark
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