There are 2 owner-reported lighting complaints for the 2000 Mazda MX-5 Miatain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
1999 TO 2000 MAZDA MIATA THE WIRING HARNESS FOR THE LOW/HIGH BEAM HAS BEEN SHOWN TO GENERATE HIGH TEMPERATURES AND ON ONE OCCASION, CAUSE A FIRE. I PERSONALLY HAVE EXPERIENCED THIS WITH MY 1999 MIATA WHICH PROMPTED ME TO REPLACE THE FORWARD SECTION OF THE H4 HEADLIGHT WIRING HARNESS. OTHERS ON THE MIATA.NET FORUM ( SEE HTTP://FORUM.MIATA.NET/VB/SHOWTHREAD.PHP?T=360101 HAVE EXPERIENCED THIS, AND ONE MEMBER WHO STARTED THE THREAD EXPERIENCED A FIRE AND DAMAGE. ) I URGE THE NHTSA TO LOOK INTO THIS FURTHER WITH MAZDA USA. *TR
DT: CONSUMER PURCHASED A USED 2000 MAZADA MIATA, THE FRONT LEFT FOG LIGHT CAUGHT ON FIRE, NO PREVIOUS PROBLEMS WITH FOG LIGHT. WHEN THE FOG LIGHT CAUGHT ON FIRE IT CAUSED DAMAGE TO THE BUMPER TRIM, MARKER LIGHT, AND THE WIRING HARNESS, CONSUMER HAD TO USE A FIRE EXTINGUISH TO PUT OUT THE FIRE. *AK
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026