T79 Factory-verified

GMC · Regular Production Option

Lamp, fog, rear

Years 1998–10 Models 8 Factory citations 24

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Also described as Fog lamp, rearRear fog lamp

Also documented for Buick Cadillac Chevrolet Hummer Oldsmobile Pontiac Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2009 Factory-verified

GM factory document — 2009 gmc acadia 2wd rpo code list, p.1.

Envoy — GMT360 (2002–2009)

2003–2009 Factory-verified

GM factory document — 2003 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2005 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2009 gmc envoy 4wd rpo code list, p.1.

Savana — GMT600 (1996–2002)

1998–2002 Factory-verified

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.
GM factory document — 2001 gmc savana rpo code list, p.1.
GM factory document — 2002 gmc savana rpo code list, p.1.

Savana — GMT610 (2003–2027)

2006–2010 Factory-verified

GM factory document — 2006 gmc savana rpo code list, p.1.
GM factory document — 2008 gmc savana rpo code list, p.1.
GM factory document — 2008 chevrolet ld electricalfullsizevans, p.18.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.16.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.16.

Sierra — GMT800 (1999–2007)

2001 Factory-verified

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2001 Factory-verified

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006)

2001–2002, 2004–2006 Factory-verified

the 2002 list words it "Lamp Fog, RR"

GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2002 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2004 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2005 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2006 gmc yukon 2wd rpo code list, p.1.

Yukon — GMT900 (2007–2014)

2007–2009 Factory-verified

GM factory document — 2007 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of T79 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.