LADIES AND GENTLEMEN 1997 JEEP GRAND CHEROKEE 4.0 LITTER ENGINE,LOADED;,200,000 MILES .PARKED VEHICLE AFTER 30 MILE TRIP DRIVEN REGULARLY,DID NOT DRIVE FOR TWO DAYS, SAT .ATTEMPTED TO START NO GO,.NO HUMMING OF ANY KIND ,NOT CLUSTER LIGHTS ON DASH ,GOOD BATTERY,GOOD ALTERNATOR ,HEAD LIGHTS ,INTERIOR LIGHTS AND HORN AND POWER LOCKS ARE THE ONLY THINGS THAT WORK.CHECKED ALL ABOVE ITEMS WITH METER,JUMP STARTED THE STARTER IT ALSO WORKS ,REPLACED STARTING RELAY.NO GO,SUSPECT COMPUTER NEED MORE INFO .THE FUSE BLOCK IS HALF DEAD IN THE PASS SIDE PANEL,ALSO CHECKED THE IGNITION SWITCH ACCORDING TO THE BOOK IT HAS CONTINUITY ON THE REQUIRED ITEMS ACCORDING TO THE BOOK,TRACE ALL WIRES IN ENGINE COMPARTMENT,CHECK GOOD,MAYBE RELAYS,SUSPECT A FEED SOME WHERE.HELP IF YOU CAN..PLEASE.PS THE POWER BLOCK IN THE ENGINE COMPT AND ALL THE FUSES ARE GOOD AND HAVE POWER TO THEM .