Wiring Problems of Buick Rendezvous - carproblemzoo Buick Rendezvous owners have reported 17 problems related to wiring (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Buick Rendezvous based on all problems reported for the Rendezvous. 2004 Buick Rendezvous Trailer Wiring | etrailer Lowest Price Trailer Wiring Guarantee. Installation instructions and lifetime expert support on all purchases of 2004 Buick Rendezvous Trailer Wiring. Order online at etrailer or call 800-298-8924.