i got a 1985 s10 blazer 4x4 for a project... overheated on way home blew head gasket and i think oil pressure and volts are all that work!!! temp doesn't work at all i dont guess... anyways got trim off but cluster won't move... what do i do??? and also could i take out (drill out or whatever)those couple gauges and put in some autometer gauges?? i need help asap... thanks