VEHICLE DESCRIPTION: FIRE TRUCKS EQUIPPED WITH AIR TANK DRAIN HEATERS. THE WIRING USED IN THE HARNESS FOR THE AIR TANK DRAIN HEATER IS UNDERSIZED.
RiskIF THERE IS A SHORT IN THE HEATER AND THE CIRCUIT BREAKER DOES NOT TRIP, THE HARNESS WILL OVERHEAT.
FixDEALERS WILL REPLACE THE HARNESS WITH ONE THAT HAS LARGER GAUGE WIRES.