1996 Buick Roadmaster Electrical problems

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

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

96 Buick roadmaster wagon driver's side door catches fire and destroys car! Internal door fire.

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

When ignition key is in "run" position, "arcing" as evidenced by intense static on the am radio, is taking place. When key is in "accessory" position, no static is present and am radio functions normally. Made three attempts to have original dealer diagnose problem. Refused to even investigate. Took vehicle to present owner, whose service advisor, when presented with problem by actually listening to the static, admitted that, "that should not happen." Dealer replaced radio. Obviously, no change. Radio is...