Originally Posted by Fordfan2006
Since it's a XL it probably doesn't have the compass. So it doesn't work.
As part of the cluster swap I installed an electrochromic mirror with the attached compass module. The compass data lines are connected to pins 15 and 16 on connector 220A.
I would think its a faulty compass module but when the unit is disconnected the dash shows two dashes in the compass position (indicating no connection) and displays "N" when connected, so the cluster is obviously getting data from the unit. However, the cluster wont let me set the compass zone using the trip reset button, but will change to the two dashes then back to "N" after holding the button down. If I press the button on the compass box it doesnt acknowledge that its being pressed at all.
All the wiring checks out OK, as long as the wiring diagram wasn't wrong. Any suggestions on what to check next?