Provisions, lamp, roof mounted

Years 1999–09, 2014–19 Models 8 Factory citations 29

Also described as Provisions for roof-mounted (emergency) lampsProvision, cab roof-mounted lamp or beaconProvision for cab roof-mounted lamp or beacon

Also documented for Cadillac Chevrolet

Documented applications

Sierra — GMT800 (1999–2007)

1999–2007 Factory-verified

GM factory document — 1999 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra — GMT900 (2007–2013)

2009 Factory-verified

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

Sierra HD — GMT800 (2001–2007)

2001–2007 Factory-verified

GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2002 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2003 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2006 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2007 gmc sierra classic 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2007–2009, 2014 Factory-verified

the 2014 guides describe roof-mounted lamp or beacon wiring

GM factory document — 2007 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2008 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.3.
GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.3.

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

instrument panel switch and wiring for an upfitter lamp; included in the snow plow prep package (VYU); 2015 marks: Sierra, SLE, SLT: O; 2018: GM's 2018 Sierra 2500HD order guide; 2019: named in the 2019 interior page's package contents or footnotes

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.3.
GM factory document — 2019 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.20.

Sierra — K2XX (2014–2019)

2016–2018 Factory-verified

GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.3.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.33.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.91.

Yukon — GMT800 (2000–2006)

2000–2006 Factory-verified

GM factory document — 2000 gmc yukon 2wd rpo code list, p.1.
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 — 2003 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)

2009 Factory-verified

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

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