Headlamps, halogen high beam

Years 1979–89, 1999–08 Models 12 Factory citations 38

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Also described as Halogen high-beam headlampsHeadlamps, halogen, high beamHeadlamps, halogen, 2

Also documented for Buick GMC Oldsmobile Pontiac Saturn

Documented applications

C/K Trucks

c. 1979–82 Confirmed

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Blazer (full-size, K5) — Square body (1983–1991)

1983–1986 Factory-verified

only with V22 or YE9

GM Heritage factory kit — 1983 Chevrolet Blazer, p.9.
GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6.
GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11.
GM Heritage factory kit — 1986 Chevrolet Blazer, p.12.

Camaro — Gen 3 (1982–1992)

1982–1984 Factory-verified

GM Heritage factory kit — 1982 Chevrolet Camaro, p.30.
GM Heritage factory kit — 1983 Chevrolet Camaro, p.26.
GM Heritage factory kit — 1984 Chevrolet Camaro, p.4.

C/K pickup — Square body (1983–1991)

1985–1987 Factory-verified

the 1984 kit page (p.45) prints the code as TTS, which is not an accepted reading, so 1984 is left out

GM Heritage factory kit — 1985 Chevrolet Truck, p.43.
GM Heritage factory kit — 1986 Chevrolet Truck, p.158.
GM Heritage factory kit — 1987 Chevrolet Truck, p.58.

Colorado — GMT355 (2004–2012)

2004–2006 Factory-verified

GM factory document — 2004 chevrolet colorado pickup 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet colorado pickup 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet colorado pickup 2wd rpo code list, p.1.

El Camino — fifth generation (1983–1987)

1983 Factory-verified

The 1984 order guide prints T.T5, so 1984 is not claimed

GM Heritage factory kit — 1983 Chevrolet El Camino, p.6.

Chevy Van — Second generation G-series (1983–1996)

1983, 1984, 1986, 1988, 1989 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Vandura, p.17.
GM Heritage factory kit — 1984 Chevrolet G Van, p.17.
GM Heritage factory kit — 1986 Chevrolet G Van, p.65.
GM Heritage factory kit — 1988 Chevrolet Vandura, p.22.
GM Heritage factory kit — 1989 Chevrolet G Van, p.35.

Malibu — fourth generation, A-body (1983)

1983 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Malibu, p.21.
GM Heritage factory kit — 1983 Chevrolet Malibu, p.23.

Monte Carlo — fourth generation (1983–1988)

1983–1984 Factory-verified

GM Heritage factory kit — 1983 Chevrolet Monte Carlo, p.35.
GM Heritage factory kit — 1984 Chevrolet Monte Carlo, p.36.

Suburban — Square body (1983–1991)

1983–1986 Factory-verified

only with V22 or YE9; the 1987 page prints TTS

GM Heritage factory kit — 1983 Chevrolet Suburban, p.16.
GM Heritage factory kit — 1984 Chevrolet Suburban, p.22.
GM Heritage factory kit — 1985 Chevrolet Suburban, p.19.
GM Heritage factory kit — 1986 Chevrolet Suburban, p.20.

Uplander (2005–2008)

2005–2008 Factory-verified

GM factory document — 2005 chevrolet uplander rpo code list, p.1.
GM factory document — 2006 chevrolet uplander rpo code list, p.1.
GM factory document — 2007 chevrolet uplander rpo code list, p.1.
GM factory document — 2008 chevrolet uplander rpo code list, p.1.

Venture — U-body minivan (1997–2005)

1999–2005 Factory-verified

the 1999 list reads domestic

GM factory document — 1999 chevrolet venture ext rpo code list, p.1.
GM factory document — 2000 chevrolet venture ext rpo code list, p.1.
GM factory document — 2001 chevrolet venture ext rpo code list, p.1.
GM factory document — 2002 chevrolet venture ext rpo code list, p.1.
GM factory document — 2003 chevrolet venture ext rpo code list, p.1.
GM factory document — 2004 chevrolet venture ext rpo code list, p.1.
GM factory document — 2005 chevrolet venture ext rpo code list, p.1.

This page aggregates every documented appearance of TT5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.