I couldn't get ours to come apart, so I installed a new one. That solved the problem - for about 2 months, and the problem started up again. At this point, I tried harder, and got the old one to come apart. The solder joints to the board all had hairline fractures. I removed the solder, added wire bridges from pads to pins, then resoldered. That one is still working fine after several years. I then took apart the 'new' one, found the same problem, so same repair. So, now I have a good spare too.

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7