If any of these wires become short-circuited, the interior lamps, turn signal lamps, and rear stop lamps could stop working. This would fail to warn a following driver that the vehicle is turning or braking and could lead to a crash.
Electrical System — Wiring — Rear Compartment/Trunk
Vehicle description: Passenger vehicles. The routing of the wiring harness under the right and left side of the rear seat could allow the harness to contact the body. The wires in each harness control the stop lamp circuit, back-up lamp circuit, and the turn lamp circuit.
