Vintage AutoSound Sound Solutions for Vintage cars WoodRadios.com

Directions for Antenna Check and Trimming for AM Auto Radios Always ensure that the polarity of the set and the car are observed. (ie Negative on the car to negative on the set) Incorrect installation will damage your set and void your warranty.  Polarity and connections of the various wires will be identified by Vintage AutoSound for you, 1)   If the radio operates correctly after installation.."Trim" the antenna by the following method;      a)     Turn the radio on and dial in an AM station near the middle of the dial (around 10 or so)      b)     Adjust the antenna trimmer screw/nut until the maximum volume occurs. BE Gentle! 2)     If the radio lights up and hums after installation but does not receive stations...Check the antenna.  Do this by conducting ALL  3 of the following checks;       With an Ohm-meter or other means of continuity checker,      a)     Check the antenna cable/wire from the insert pin (radio end on the fitting) to the metal insert jacket of the same plug.(radio end outside of the fitting)    There should be no connection.  A connection indicates a shorted antenna!!      b)    Check the antenna cable/wire from the insert pin (radio end on the fitting) to a metal part of the dash or car.   There should be no connection.  A connection indicates a shorted antenna!!      c)   Check the antenna cable/wire from the insert pin (radio end on the fitting) to the tip of the antenna mast  ( the outside top of the mast) There should be a connection.  No connection indicates a broken antenna lead!! Caution;   Do not make any other adjustments to the radio.  Incorrect adjustment may result in damage and/or distortion of sound and will void any warranty!!