GMC C15 1989 car safety problem was reported on June 25, 1996.GMC C15 1989, manufactured by GENERAL MOTORS CORP. had a problem with SEAT BELTS:FRONT:BUCKLE ASSEMBLY . THE SEATBELT BUCKLE FOR THE MIDDLE AND DRIVER WILL NOT LATCH.PLEASE DESCRIBE. *AK.Gmc C15 1989 problem was reported in SHOLOW, AZ. Vehicle was not using Cruise Control. Report Your Car ProblemGo Top