System Model # VSC-3400.

These are brand new GM Accessories still in the factory packaging.  

OPEN BOX TO TAKE PHOTO

This System includes the Dual Stage Shock Sensor, Six Tone Siren, Harness, Control Module, Push button Valet Switch, and Red Status LED Light

Shows the fit the following vehicles:

Cadillac ESCALADE 2WD 
1999, 2000, 2001, 2002
Cadillac ESCALADE 2WD ESV 1999, 2000, 2001, 2002
Cadillac ESCALADE 2WD EXT 1999, 2000, 2001, 2002
Cadillac ESCALADE AWD 1999, 2000, 2001, 2002
Cadillac ESCALADE AWD ESV 1999, 2000, 2001, 2002
Cadillac ESCALADE AWD EXT 1999, 2000, 2001, 2002
Chevrolet AVALANCHE 2WD 1500 1999, 2000, 2001, 2002
Chevrolet AVALANCHE 2WD 2500 1999, 2000, 2001, 2002
Chevrolet AVALANCHE 4WD 1500 1999, 2000, 2001, 2002
Chevrolet AVALANCHE 4WD 2500 1999, 2000, 2001, 2002
Chevrolet AVALANCHE 4WD 2500 LS 1999, 2000, 2001, 2002
Chevrolet AVALANCHE 4WD 2500 LT 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 1500 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 1500 Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 1500 Extended Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 1500 HD 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 1500 HD Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 1500 Regular Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 2500 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 2500 HD 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 2500 HD Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 2500 HD Extended Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 2500 HD Regular Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 3500 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 3500 Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 3500 Extended Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 2WD 3500 Regular Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 1500 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 1500 Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 1500 Extended Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 1500 HD 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 1500 HD Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 1500 Regular Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 2500 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 2500 HD 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 2500 HD Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 2500 HD Extended Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 2500 HD Regular Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 3500 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 3500 Crew Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 3500 Extended Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD 3500 Regular Cab 1999, 2000, 2001, 2002
Chevrolet Silverado 4WD SS 1999, 2000, 2001, 2002
Chevrolet Silverado Hybrid 2WD 1500 1999, 2000, 2001, 2002
Chevrolet Silverado Hybrid 4WD 1500 1999, 2000, 2001, 2002
Chevrolet Silverado SS 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 2WD 1500 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 2WD 1500 LS 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 2WD 1500 LT 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 2WD 2500 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 2WD 2500 LS 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 2WD 2500 LT 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 4WD 1500 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 4WD 1500 LS 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 4WD 1500 LT 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 4WD 1500 Z71 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 4WD 2500 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 4WD 2500 LS 1999, 2000, 2001, 2002
Chevrolet SUBURBAN 4WD 2500 LT 1999, 2000, 2001, 2002
Chevrolet Tahoe 2WD 1999, 2000, 2001, 2002
Chevrolet Tahoe 2WD LS 1999, 2000, 2001, 2002
Chevrolet Tahoe 2WD LT 1999, 2000, 2001, 2002
Chevrolet Tahoe 4WD 1999, 2000, 2001, 2002
Chevrolet Tahoe 4WD LS 1999, 2000, 2001, 2002
Chevrolet Tahoe 4WD LT 1999, 2000, 2001, 2002
Chevrolet Tahoe 4WD Z71 1999, 2000, 2001, 2002
GMC C3500 4WD HD PICKUP CHASSIS CAB 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 Extended Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 HD 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 HD Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 HD SLE 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 HD SLT 1999, 2000, 2001, 2002
GMC Sierra 2WD 1500 Regular Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 2500 1999, 2000, 2001, 2002
GMC Sierra 2WD 2500 HD 1999, 2000, 2001, 2002
GMC Sierra 2WD 2500 HD Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 2500 HD Extended Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 2500 HD Regular Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 3500 1999, 2000, 2001, 2002
GMC Sierra 2WD 3500 Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 3500 Extended Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD 3500 Regular Cab 1999, 2000, 2001, 2002
GMC Sierra 2WD C3 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 Extended Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 HD 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 HD Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 HD SLE 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 HD SLT 1999, 2000, 2001, 2002
GMC Sierra 4WD 1500 Regular Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 2500 1999, 2000, 2001, 2002
GMC Sierra 4WD 2500 HD 1999, 2000, 2001, 2002
GMC Sierra 4WD 2500 HD Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 2500 HD Extended Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 2500 HD Regular Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 3500 1999, 2000, 2001, 2002
GMC Sierra 4WD 3500 Crew Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 3500 Extended Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD 3500 Regular Cab 1999, 2000, 2001, 2002
GMC Sierra 4WD DENALI 1999, 2000, 2001, 2002
GMC Sierra AWD 1500 Denali 1999, 2000, 2001, 2002
GMC Sierra HYBRID 2WD 1500 1999, 2000, 2001, 2002
GMC Sierra Hybrid 4WD 1500 1999, 2000, 2001, 2002
GMC SILVERADO HYBRID 2WD 1500 1999, 2000, 2001, 2002
GMC SILVERADO Hybrid 4WD 1500 1999, 2000, 2001, 2002
GMC YUKON 2WD 1999, 2000, 2001, 2002
GMC YUKON 2WD 1500 XL 1999, 2000, 2001, 2002
GMC YUKON 2WD 1500 XL SLE 1999, 2000, 2001, 2002
GMC YUKON 2WD 1500 XL SLT 1999, 2000, 2001, 2002
GMC YUKON 2WD 2500 XL 1999, 2000, 2001, 2002
GMC YUKON 2WD 2500 XL SLE 1999, 2000, 2001, 2002
GMC YUKON 2WD 2500 XL SLT 1999, 2000, 2001, 2002
GMC YUKON 2WD DENALI XL 1999, 2000, 2001, 2002
GMC YUKON 2WD SLE 1999, 2000, 2001, 2002
GMC YUKON 2WD SLT 1999, 2000, 2001, 2002
GMC YUKON 4WD 1999, 2000, 2001, 2002
GMC YUKON 4WD 1500 XL 1999, 2000, 2001, 2002
GMC YUKON 4WD 1500 XL SLE 1999, 2000, 2001, 2002
GMC YUKON 4WD 1500 XL SLT 1999, 2000, 2001, 2002
GMC YUKON 4WD 2500 XL 1999, 2000, 2001, 2002
GMC YUKON 4WD 2500 XL SLE 1999, 2000, 2001, 2002
GMC YUKON 4WD 2500 XL SLT 1999, 2000, 2001, 2002
GMC YUKON 4WD DENALI XL 1999, 2000, 2001, 2002
GMC YUKON 4WD SLE 1999, 2000, 2001, 2002
GMC YUKON 4WD SLT 1999, 2000, 2001, 2002
GMC YUKON AWD DENALI 1999, 2000, 2001, 2002
GMC YUKON AWD XL Denali 1999, 2000, 2001, 2002

***PLEASE CONTACT US DIRECTLY WITH ANY ISSUE BEFORE OPENING A CASE W/EBAY - WE TAKE ARE SELLER PERFORMANCE VERY SERIOUSLY AND WE WANT HAPPY REPEAT CUSTOMERS - WE WILL TAK CARE OF ANY ISSUE - AGAIN PLEASE CONTACT US DIRECT W/ANY PROBLEMS BEFORE OPENING A CASE W/EBAY - THX AND HAPPY SHOPPING.