For Chevy/GMC GMT400/GMT800 Van/SUV High Mount LED 3rd Brake Light (Black Housing Clear Lens) Plug-n-Play Operation, Low Power Consumption (15" Length) Super Bright LED lights Compare to the OEM Halogen Brings a Different Appearance to Vehicle Thats Great for Show Use or Replacement Uses Existing Bolt Holes for Installation 1 X LED Third Brake Light 17600367,17600337,923201,15030038/15030176 1994 Chevy Blazer Full Size / 1994-05 Chevy Blazer S10 2 Door 1998-03 Chevy Blazer S10 4 Door for Models with Tailgate 2000-04 Chevy Suburban 1500 / 2500 for Models with Rear Cargo Doors 1992-99 Chevy Suburban C1500 / C2500 / K1500 / K2500 2000 Chevy Tahoe for Z71 / GMC Yukon Denali for Models with Rear Cargo Doors 1995-99 Chevy Tahoe / 2003-09 Hummer H2 / 1996-01 Olds Bravada 1994-01 GMC Jimmy S-15 2 Door / 1992-99 GMC Yukon 1998-01 GMC Jimmy S-15 4 Door for Models with Tailgate 1992-99 GMC Suburban C1500 / C2500 / K1500 / K2500 2000-04 GMC Yukon XL 1500 / 2500 ; 01-04 GMC Yukon XL Denalifor Models with Rear Cargo Doors Plug-n-Play Operation, Low Power Consumption Super Bright LED lights Compare to the OEM Halogen Brings a Different Appearance to Vehicle Thats Great for Show Use Uses Existing Bolt Holes for Installation 100% Brand New Professional Installation is Highly Recommended Installation Instruction is NOT Included Inspect back circuit board and wire connections Verify circuit board is protected from exposed metal and wires when installing in the vehicle Make sure the following wires are going to their correct locations. a. Black is Ground b. Red is Brake Light (+12v) c. White is Reverse Light (+12v) d. Yellow is Auxiliary or Running Light (+12v)