This Neutral Safety & Backup Lamp Switch (OE# 12450016) is a critical transmission range sensor for GM vehicles equipped with 4L60E and 4L80E automatic transmissions. It controls two core vehicle functions: preventing engine startup outside Park or Neutral position, and triggering reverse backup lights when shifting into Reverse gear.
Compatible for the following models:
CADILLAC ESCALADE 1999-2003
CHEVROLET ASTRO 1998-2002
CHEVROLET AVALANCHE 1500 2002
CHEVROLET AVALANCHE 2500 2002-2003
CHEVROLET BLAZER 1995-2001
CHEVROLET C1500 PICKUP 1995-1999
CHEVROLET C1500 SUBURBAN 1995-1997
CHEVROLET C2500 PICKUP 1995-1999
CHEVROLET C2500 SUBURBAN 1995-1999
CHEVROLET C3500 PICKUP 1995-2002
CHEVROLET CORVETTE 1997-2003
CHEVROLET EXPRESS 1500 1996-2003
CHEVROLET EXPRESS 2500 1996-2003
CHEVROLET EXPRESS 3500 1996-2003
CHEVROLET K1500 PICKUP 1995-1998
CHEVROLET K1500 SUBURBAN 1996-1999
CHEVROLET K2500 PICKUP 1995-2000
CHEVROLET K2500 SUBURBAN 1995-1999
CHEVROLET K3500 PICKUP 1995-2000
CHEVROLET P30 1996-1999
CHEVROLET S10 PICKUP 1995-2003
CHEVROLET SILVERADO 1500 1999-2003
CHEVROLET SILVERADO 2500 1999-2003
CHEVROLET SILVERADO 3500 2001-2003
CHEVROLET SSR 2003
CHEVROLET SUBURBAN 1500 2000-2002
CHEVROLET SUBURBAN 2500 2000-2003
CHEVROLET TAHOE 1995-2003
CHEVROLET TRAILBLAZER 2002-2003
GMC C1500 PICKUP 1995-1998
GMC C1500 SUBURBAN 1995-1999
GMC C2500 PICKUP 1995-2000
GMC C2500 SUBURBAN 1995-1999
GMC C3500 PICKUP 1995-2002
GMC ENVOY 2003
GMC JIMMY 1995-2003
GMC K1500 PICKUP 1995-1999
GMC K1500 SUBURBAN 1995-1999
GMC K2500 PICKUP 1995-2000
GMC K2500 SUBURBAN 1995-1999
GMC K3500 1995-2000
GMC P3500 1996-1999
GMC SAFARI 1996-2002
GMC SAVANA 1500 1996-2003
GMC SAVANA 2500 1996-2003
GMC SAVANA 3500 1996-2003
GMC SIERRA 1500 1999-2003
GMC SIERRA 2500 2000-2003
GMC SIERRA 3500 2001-2003
GMC SONOMA 1995-2003
GMC YUKON 1995-2003
GMC YUKON XL 1500 2000-2003
GMC YUKON XL 2500 2000-2003
HUMMER H2 2003
ISUZU ASCENDER 2003
OLDSMOBILE BRAVADA 1996-2002