I'm not sure if it against forum rules, but google "I'm a ****", lots of information and wealth of knowledge on things like this.

 

Yes, that's against the rules.

 

I have had a blinking center differential txfer problem for 10 years now. The dealer in Denver tried on several occasions to correct the problem, to no avail. It comes on whenever I get on the highway for 10-20 miles at posted speeds. I believe I have full functionality, just the blinking annoyance. I also have a problem with the rear wheel drive bulbs: the passenger side bulb must be burnt, it no longer lights green. Can anyone direct how I can fix it?