Possible Causes

NO RESPONSE FROM RADIO

REPLACE FUSE #14

RADIO SHORTED TO GROUND

FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORTED TO GROUND

JUNCTION BLOCK SHORTED TO GROUND

OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT

OPEN FUSED B+ CIRCUIT

RADIO GROUND CIRCUIT OPEN

RADIO INTERNALLY OPEN

PCI BUS CIRCUIT OPEN

BODY CONTROL MODULE