Hi all. I've got an O2 suburban and really the only thing that didn't work was the outside temp display so I purchased a new sensor and popped out the headlight popped out the turn signal assembly and replaced the sensor. I tried to recalibrate it by holding the recirculation and the AC button. I disconnected the wiring to the back of the mirror then plugging it back in I still just have like a dead reading. I've got the direction but the temperature just reads OC. Does anybody have any idea on how to fix this? thank you.