# 2004 GMC ENVOY — EXTERIOR LIGHTING
> NHTSA complaint `695010` · 2008-11-04 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** GMC
- **Model:** ENVOY
- **Year:** 2004
- **Manufacturer:** General Motors, LLC
- **Component:** EXTERIOR LIGHTING
- **Miles at failure:** 4,500
- **Speed:** 65 mph
## Narrative
2004 GMC ENVOY HEADLIGHTS WOULD PERIODICALLY DIMM AND GO OFF DURING BREAKING. WITHOUT WARNING HEADLIGHTS FAILED WITH NO INDICATION.   REPAIR AT GMC DEALER COST $130 FOR A "HDM RELAY".  VERY DANGEROUS FAILURE AS NO FUSES FAILED, NO LAMPS FAILED, BUT A HIDDEN COMPONENT FAILED WHICH CAUSED ME TO GO OFF A HIGHWAY AT HIGH SPEED AT NIGHT. *TR
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*