I bought a used Chevy 2003 Impala ex police car and can not find an instrument panel cluster. Does anyone know why I have to replace it with a police one the dealer says 700.00 Just for the speedometer light out!!. Anyone have any suggestions on what I can do so my son can see at night to drive his car. Can not replace bulbs mechanic says and fuses are good. Weird all the other lights work but the speedometer light and this all happened after the car steroo was put in. Any help I would appreciate it so much