1993 GMC Sonoma Owner's Manual - Page 154
1993 GMC Sonoma Manual
Page 154 highlights
Comfort Controls & Audio Systems Fixed Mast Antenna The fixedmastantennacanwithstandmostcarwasheswithoutbeing damaged. If themastshouldeverbecomeslightlybent,youcanstraighten it outbyhand. If themastisbadlybent,as it might be byvandals, you should replace it. Checkeveryonce fender. in awhiletobesurethemast is still tightened to the 3-26
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