well after driving 6 hours today scouring 6 yards...I found two ...thought my prob finally solved....but got home and they wont fit....Gggrrrrr....they look identical, but both diff numbers and colors, which makes sense from prior info here...but if you yook at the above pic, the small inner tab ,so you dont plug it in wrong,...is on the left....mine is on the right....if ya shaved the tab off it would fit, but i do not want to screw something up?....what is the difference between two?