MACK U 1974: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH

General Information

NHTSA Campaign ID Number: 74V227000

Make Model Year
MACK U 1974
Date Owners Notified Date Received by ODI Date Added to Database
1975-02-07 1974-11-21 1979-10-12

Production Dates: 1974-10-01 - 1976-03-01

Manufacturers Involved: Mack Trucks, Inc.

Component: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH

Potential Number Of Units Affected: 1023

Report Initiator: MFR MFR Report

Notes

MACK CAMPAIGN NO 55.MFG'D JAN.1, 1973 THRU AUG.14, 1974.POSSIBILITYTHAT VEHICLES EQUIPPED WITH A TRACTOR PROTECTION VALVE AN INTERFERENCE COULDOCCUR BETWEEN THE STOP LAMP SWITCH AND THE HEAD LAMP SWITCH COULD CREATE ASHORT CIRCUIT THAT WOULD INTERRUPT HEAD LAMP OPERATION.'CORRECT BY INSPECTINGAND PROVIDING ADDITIONAL CLEARANCE BETWEEN SWITCHES WHERE NECESSARY'.