Electrical problem
2006 Honda Ridgeline 6 cyl Four Wheel Drive Automatic 60000 miles

If I leave tha AC on and try to start my truck, it is very sluggish starting. Soemtimes when I do this, there is a clicking after it turns over and the tach and speedometer jump. Even if I remember to keep the AC off before I shut down, it still seems to be more sluggish than before. This morning after I had the clicking and jumping needles after startup, my next startup wouldn't start. I had to shut it down and try again. It started and it started again my next try a few hours later. When my oil was changed a month or so ago, this had just started happening and I had them check the battery. They said it was fine. Is it my starter? Alternator? I've never experienced this one before.