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• Electric fuel pump • Engine-to-body ground strap(s) • Generator • Ignition module • Radio antenna base ground • Radio receiver chassis ground wire or strap • Wiper motor. component on the vehicle (i.e., generator, blower For service and inspection of secondary ignition components, refer to the Diagnosis and Testing sec- • Distributor cap and rotor • Ignition coil • Spark plugs • Spark plug wire routing and condition. components as required. If the source of the RFI or EMI noise is identified as two-way mobile radio or telephone equipment, • Power connections should be made directly to the battery, and fused as closely to the battery as • The antenna should be mounted on the roof or toward the rear of the vehicle. Remember that mag- • The antenna cable should be fully shielded coax- ial cable, should be as short as is practical, and • The antenna and cable must be carefully matched to ensure a low Standing Wave Ratio Fleet vehicles are available with an extra-cost RFI- suppressed Powertrain Control Module (PCM). This REMOVAL AND INSTALLATION RADIO RECEIVER WARNING: ON VEHICLES EQUIPPED WITH AIR- REFER TO GROUP 8M - PASSIVE RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR REMOVAL (1) Disconnect and isolate the battery negative cable. (2) Remove the center upper bezel from the instru- ment panel. Refer to Instrument Panel Center (3) Remove the four screws that secure the radio receiver to the instrument panel (Fig. 4). Fig. 4 Radio Remove/Install 1 – INSTRUMENT PANEL 8F - 12 AUDIO SYSTEMS WJ DIAGNOSIS AND TESTING (Continued) |