Daytime running lights are enabled, however, upon searching wire harnesses at the front left corner for signs of damage/short I discovered that the problem had disappeared and the lights returned to normal functions. However, now the front blower motor doesn't work. I find it difficult to believe that the two issues aren't related somehow. Rear blower works fine. Checked both fuses (one under hood-40 amp and two under dash-10 amp) and replaced the relay under the dash, no change. No voltage at the connector on the motor itself. Fan switch is a circuit board that isn't diagnose-able (at least by me), but it does register on the screen that you are turning the fan control when it is moved. Suffering without air conditioning is one thing, but not having heat is going to be something else this fall.