Chevrolet S Series 1998 — technical service bulletin
Bulletin 990603004A · NHTSA communication 608070 · issued Jul 1, 1999
Technical service bulletin
communication type
Electrical System
component
1998
model years
5
vehicle entries
Official summary
Some customers may comment about the horn sounding and a no start condition due to water intrusion into the accessory wiring junction block. *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.