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Mack MS300T Recall 81V032: Exterior Lighting:Brake Lights:Switch

NHTSA campaign 81V032, reported March 18, 1981, 150 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 81V032MACK TRUCKS, INCORPORATED
Component
EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH
Problem
ON CERTAIN VEHICLES, THE SEMI-TRAILER STOP LIGHTS MAY NOT ACTIVATE WHEN HAND CONTROL LEVER IS ACTIVATED.
Risk
Remedy
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.
Notes
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.

Affected vehicles

Mack MS300T1981