Had same problem, replace diff bushing and got little better but not gone. Replace cv axles not oem changed vibration but still there. Replaces with oem cv axles and vibration is gone
Good advise about uphill and downhil chain location. Also good advice about all 4 chained. V -bar cam lock are easy to put on. Drive the tire that is having a chain instaled up on a 2x4 to give yourself space to slide chain around to conect hooks then use good chain tensioner. Might not need on...