Brake lights: switchRecall 81V-032 · 1981 Mack MS300t
MACK TRUCKS, INCORPORATED recall 81V-032 covers 150 1981 Mack MS300t for a brake lights: switch problem, reported to NHTSA on March 18, 1981.
Source: NHTSA recall 81V032000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
ON CERTAIN VEHICLES, THE SEMI-TRAILER STOP LIGHTS MAY NOT ACTIVATE WHEN HAND CONTROL LEVER IS ACTIVATED.
The fix
AFTER INSPECTING BRAKE LIGHT SYSTEM, A SWITCH WILL BE INSTALLED WHICH WILL ACTIVATE THE TRAILER STOP LIGHT WHEN THE HAND CONTROL VALVE IS USED, IF NECESSARY.
VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: LIGHTING; REAR BRAKE LIGHTS, TRAILER STOP LAMP WIRING.CONSEQUENCES OF DEFECT: REAR-END COLLISION COULD RESULT DUE TO FAILURE OFTRAILER STOP LAMPS. OPERATER OF VEHICLE TO THE REAR WOULD NOT BE WARNED OFBRAKING ACTION ON AFFECTED VEHICLES.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from November 1, 1980 to February 1, 1981. Not every vehicle in these model years is included; check by VIN.