Chevrolet Blazer 1999 — technical service bulletin
Bulletin 00143 · NHTSA communication 616385 · issued Oct 24, 2000
Technical service bulletin
communication type
Exterior Lighting
component
1999
model years
2
vehicle entries
Official summary
Special policy adjustment regarding the daytime running lamps activation. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.