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INSTALLATION (1) Install antenna body and cable from under- neath fender (Fig. 12). (2) Install gasket, adapter, and cap nut. Tighten cap nut to 14 N Im (125 in. lbs.) with Antenna Nut Wrench C-4816. (3) Install antenna mast into antenna body until sleeve bottoms on antenna body (Fig. 11). (4) Route cable to radio if necessary. BENCH TEST FOR ANTENNA MALFUNCTION It is also possible to check short or open circuits with an ohmmeter or continuity light once the an- (1) Continuity should be present between the tip of the mast and radio end pin (Fig. 13 and 14). (2) No continuity should be observed or a very high resistance of several megohms between the ground (3) Continuity should be observed between the ground shell of the connector and the mounting hardware. Wiggle cable over its entire length to reveal inter- mittent short or open circuits during step 1, 2 and 3. POWER ANTENNA OPERATION The power operated radio antenna (Fig. 15) is a telescoping type antenna, extended and retracted by a The Automatic Power Antenna is controlled by a combination of an external relay and limit switches Many antenna problems may be avoided by frequent cleaning of the antenna mast telescoping sections. Clean Before an antenna is removed, the antenna perfor- mance should be tested to decide if it is a reception Whenever an operational malfunction occurs, first verify that the radio antenna wire harness is properly Fig. 12 Antenna Mounting Fig. 11 Removing or Tightening Antenna Cap Nut Fig. 13 Antenna Bench Test Points Fig. 14 Antenna Bench Test Points—Two Part Ä AUDIO SYSTEM 8F - 21 |