Ride and handling, manual electric control

Years 1998–04 Models 4 Factory citations 12

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Also described as Plant, Fort Wayne, IN, GM NATGRide and handling, manual, electronic controlled

Also documented for Buick Cadillac Chevrolet Oldsmobile Pontiac

Documented applications

Sierra — GMT400 (1988–2000)

1998–1999 Factory-verified internal

GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.
GM factory document — 1999 gmc gmc c pickup 2wd rpo code list, p.1.

Sierra — GMT800 (1999–2007)

2000–2004 Factory-verified

GM factory document — 2000 gmc gmc c sierra 2wd rpo code list, p.1.
GM factory document — 2004 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007)

2001–2004 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.

Yukon — GMT800 (2000–2006)

2000–2003 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.

This page aggregates every documented appearance of FW1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.