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TEST EXTEND OR RETRACT ANTENNA (1) To extend antenna, attach the positive (+) lead of a 12 volt power source to the green antenna lead (2) To retract antenna attach the positive (+) lead of a 12 volt power source to the white antenna lead (3) If the motor will not operate, replace the an- tenna assembly. (4) If the motor runs freely and the antenna does not extend or retract, the mast or drive assembly is (a) Remove the mast and verify that all the drive teeth are intact. If not replace mast. (b) Check for a defective drive mechanism, if de- fective replace antenna assembly. operation or the motor labors. (a) Check for bent mast. If bent replace mast. clean and lubricate. (c) If cleaning the antenna sections does not solve the problem, the antenna mast should be re- motor continued to operate after full extension or re- (a) Check for broken teeth on the mast drive rod or bent mast. (b) Check limit switches, replace if necessary. (7) If the mast checks good, the antenna assembly should be replaced. Fig. 15 Power Antenna Assembly Fig. 16 Power Antenna Electrical Diagnosis 8F - 22 AUDIO SYSTEM Ä |