Provisions, wiring, for communications system

Years 1999–03 Models 2 Factory citations 7

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Also documented for Cadillac GMC Oldsmobile

Documented applications

Blazer — S-10 second generation (1995–2005)

1999–2003 Factory-verified

1999 list reads wiring for dealer installation of OnStar

GM factory document — 1999 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2001 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2002 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2003 chevrolet blazer 4wd rhd rpo code list, p.1.

S-10 pickup — Second generation (1994–2004)

1999–2000 Factory-verified

1999 list reads wiring for dealer installation of OnStar

GM factory document — 1999 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet s10 pickup 4wd rpo code list, p.1.

This page aggregates every documented appearance of WXS in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.