My name is Craig and I live in Celina, north of Dallas about 45 miles. I'm new to the site and glad to find you all. I have a 2005 Yukon. When I connect the battery my inside blower runs on high and the outside lights blink. I bought this vehicle wrecked with a salvage title and it didn't do this until I had taken everything off the front end (including removing the fuse box from the fender). I have everything back together including connecting all my grounds and its ready to paint, but I can't find the problem. Any suggestions, please? Thanks. - - - Updated - - - Updated info: I found a few others on the site with a similar blower experience and it seems best to replace the resister before looking any further. If it works it is a $21 fix. As for the lights this problem has not reoccurred.