Mack CHU
- Published
- 2012-09-05
- Model years
- 2007–2010
On certain trucks, an electrical short circuit in the fog light circuitry could result in a loss of low beam headlamp function. Loss of headlamp illumination, should it occur during a rainy/snowy day, or during hours of darkness, could compromise the driver’s ability to see the road and its users, which could result in a crash causing property damage and/or personal injury. Correction: Dealers will add an extra wiring harness between the cab harness and the Daytime Running Lamp (DRL) module, in order to isolate the fog light circuit.
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