United States 99V145000
FREIGHTLINER LLC
The problem
VEHICLE DESCRIPTION: FIRE TRUCKS EQUIPPED WITH AIR TANK DRAIN HEATERS. THE WIRING USED IN THE HARNESS FOR THE AIR TANK DRAIN HEATER IS UNDERSIZED.
Risk
IF THERE IS A SHORT IN THE HEATER AND THE CIRCUIT BREAKER DOES NOT TRIP, THE HARNESS WILL OVERHEAT.
What owners should do
DEALERS WILL REPLACE THE HARNESS WITH ONE THAT HAS LARGER GAUGE WIRES.
Units 32