I have a 90 EX that I picked up for $200, it had a bad TCM and the body was rough. I blew out reverse on my own, but that's besides the point. I got a new (used from e-bay) TCM in the mail today and within my first 15 minutes of driving to work, it stopped working and my dreaded "s" light came back on. I got off work, came home, unplugged it, and plugged it back in, and made sure my radio was off, and its been working ever since. Do you think the aftermarket radio could be causing TCM's to get fried? Its a fairly cheap head unit, and its hardwired in. Think its wired wrong? I'm stuck on this one...




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