No Response CCD Radio

SYMPTOM
* NO RESPONSE CCD RADIO

POSSIBLE CAUSES
- Ground strap/antenna problem
- Open CCD bus (+) CKT - CCD radio
- Open CCD bus (-) CKT- CCD radio
- Open fused B (+) CKT- radio
- Fused ignition switch output CKT-short/ground
- Open fused ignition switch output CKT-radio
- Defective radio-CCD bus (+) CKT
- Defective radio-fused ignition switch
- Defective radio-no response