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Message: <blockquote data-quote="JJ3373" data-source="post: 27041" data-attributes="member: 14643">It's looking like the PCM at the moment! Today the fans were stuck on with ignition off, even with 3 new relays. I  disconnected the PCM and some of the pins were crusty, including the coolant temp sensor pin. Also, probing the fan signal wires that connect to the PCM show no shorts, so the wiring should be good.One of the pin actually broke off and got stuck in the PCM connector, so I'll be getting a new PCM anyway. If you know how to get a broken pin out of a PCM connector, let me know! I blasted the remaining pins with contact cleaner and a brush, and the fans haven't kicked on... yet. So hopefully a new PCM will do the trick.</blockquote>