1993 GMC Sonoma Owner's Manual - Page 128
1993 GMC Sonoma Manual
Page 128 highlights
Features & Controls KO250 The 7-wire harness is stored underyourvehiclealongtherearframe crossmember.Thisharnesshasa 30 Amp. in-line fusedbatteryfeedwire and no connector, and should be wiredbya qualified serviceperson.Attachthe harnesstothetrailer,then tape orstrap it to yourvehicle'sframerail.Be sure you leave it loose enough so thewiringdoesn'tbend or break,but not so loosethatitdragsontheground. Storetheharnessin its originalplace.Wraptheharnesstogetherand neatly so itwon'tbedamaged. tie it 2-76
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