Home >> Chevy Truck >> 1988 >> C 1500 Truck 2WD V6-262 4.3L >> Repair and Diagnosis >> Accessories and Optional Equipment >> Radio, Stereo, and Compact Disc >> Radio/Stereo >> Technical Service Bulletins >> All Technical Service Bulletins >> Audio - Radio Frequency Interference (RFI) Diagnosis/ID >> RFI Diagnostic Chart