Hi all, need some help on the obove matters. i DIY change of meter cluster. Basically i can see 3 connectors behind the cluster with the color blue, yellow and white, when i opened up my ori cluster i found that there only the blue and white connector is connected. Is this normal? i try to find the wire with yellow connector can't find.FYI my previous ckuster several gauge is not working, when plug in new one all working accecpt speedometer. Maybe some can help on this.Thanks 