HALP! 4x4 not engaging. Replaced the front diff actuator. Can hear the transfer case switch when it’s not running. 15 amp fuse is good. The service 4wd is not on. The buttons on the dash work as they should. It’s telling me to service the brakes on the dash with both the abs and parking brake lights on. I’m stuck in my driveway so any help would be great. Thank you!