United States 86V127000
PACCAR Incorporated
The problem
THE CIRCUIT WIRE FOR THE TRAILER STOP LIGHT MAY NOT BE CONNECTED TO THE OUTPUT TERMINAL OF EITHER THE TRACTOR SPRING BRAKE STOP LIGHT SWITCH OR THE SERVICE BRAKE STOP LIGHT SWITCH. CONSEQUENCE OF DEFECT: TRAILER STOP LIGHTS WILL NOT ILLUMINATE WHEN BRAKES ARE APPLIED. THE TRUCK BRAKE WARNING SIGNAL TO OTHER HIGHWAY VEHICLES WOULD NOT BE PRESENT, CREATING A POSSIBILITY FOR AN ACCIDENT.
What owners should do
REWORK WIRING FOR PROPER CONNECTION.
Units 312