Tl* the contact owns a 1995 buick roadmaster. The contact stated that the horn would sound independently. The failure was sporadic but progressed into a continual failure. The malfunction recurred whether the vehicle was in operation or stationary the fuse for the horn was disengaged. The vehicle had not been diagnosed or repaired. The manufacturer was not notified of the problem. The approximate failure mileage was 192,800.
Electrical system
Buick Roadmaster Electrical problems by year
38 complaints filed with NHTSA about the Buick Roadmaster's electrical system. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
Electrical complaints by model year
Latest Roadmaster electrical complaints
Vehicle is experiencing problems with the auto door locks, and the courtesy lights. Owner has contacted the manufacturer who says there is nothing they can do. Provide further details. *Nm
When the consumer attempted to use the horn it did not work. *Ak the horn wiring was repaired. *Jb
Upon turning vehicle off key become stuck in the ignition switch. Vehicle was towed to dealership, technician replaced ignition switch. *Ak
While backing in vehicle stalled. Vehicle failed to restart after several attempts. Service technician stated, wiring harness needed replacement. *Ak wires inside the gas tank burned and melted plastic at the fuel tank hook up. This could've blown up and killed someone. Consumer would like a refund for the wiring harness. *Ph
Once the fuel gauge registered half full it would stop operating. The dealer found that the electrical wiring to the fuel pump had melted and the fuel pump had to be replaced. *Ak *cb the rear tail light assembly was cracked.*Jb
Problems starting vehicle, and once started vehicle stalls.*Mr consumer had battery replaced at 1 1/2 years. Starter was replaced.*Ts
The horn button wore out, which caused the horn to blare intermittently while driving. The consumer stated the horn had completely failed. *Jb *ts *jb
96 Buick roadmaster wagon driver's side door catches fire and destroys car! Internal door fire.
Horn blew constantly, fuse was removed and car brought in for repair to stevens creek buick. Their comment was that the horn and air bag were warped by heat, I presume normal ambient heat as car was never on fire, the air bag replacement was the response. If t he air bag is destroyed by heat of sun then all these cars, buicks large, impalas, olds,mobiles and cadillacs all have the same driver protection or lack of after how long.*Ak
The light switch becomes excessively hot when the lights, heater or a/c are on, the horn activates while driving 70 mph, the power windows do not operate because the main fuse had fallen out, the vehicle stalls intermittently while driving but once the vehicle sits for a minute it restarts, the dealer has performed multiple tests to determine the problem but was unable to duplicate the consumers concerns. Nlm the doors do not lock automatically. Heater comes on when brakes are applied. *Yh
Horn fails to operate intermittently because the button to activate horn is difficult to press. Dealership has not examined vehicle for this problem. Please provide any additional information / documentation.*Ak
Consumer states undersized connector stud failed causing vehicle to lose all power while driving, dealer inspected vehicle and found stud was melted, dealer replaced the battery positive connector on the under hood fuse box and cleaned the cables and connectors. *Slc
Computer module failed to operate properly, leaving consumer stranded. Dealer has replaced module. Please provide any additional information.*Ak
Horn won't honk unless steering wheel is straight ahead-always-replaced by dealer once, with no improvement. Gm paid for the part: $600!!! Dangerous! Caprice and fleetwood are the same b body series of gm full-size, rear drive, v-8 vehicles (their last of these)!
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data