Choose Complete Harness, or Individual Components Each sold separately as shown.

Note:  GM trucks often use a variety of taillight harnesses for various bed configurations.  This harness is used in some versions of the following vehicles.  To be sure, I have shown detailed images of the harness in this listing.  Don't be lazy.  Check the images and part numbers to assure a match with your particular vehicle.  We do not accept returns.  

Used on some versions of these vehicles:

2016-2019 Chevrolet Silverado 1500,
2016-2019 Chevrolet Silverado 2500 HD,
2016-2019 Chevrolet Silverado 3500 HD,
2016-2019 GMC Sierra 1500,
2016-2019 GMC Sierra 2500 HD,
2016-2019 GMC Sierra 3500 HD
2019 Chevrolet Silverado 1500 Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT 4.3L V6 - Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2019 Chevrolet Silverado 1500 LD Custom, LT, WT 5.3L V8 - Flex, 5.3L V8 - Gas
2019 Chevrolet Silverado 2500 HD High Country, LT, LTZ, WT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2019 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2019 GMC Sierra 1500 Limited Base, SLE 5.3L V8 - Flex, 5.3L V8 - Gas
2019 GMC Sierra 2500 HD Base, Denali, SLE, SLT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2019 GMC Sierra 3500 HD Base, Denali, SLE, SLT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2018 Chevrolet Silverado 1500 Custom, High Country, LS, LT, LTZ, SSV, WT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2018 Chevrolet Silverado 2500 HD High Country, LT, LTZ, WT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2018 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2018 GMC Sierra 1500 Base, Denali, SLE, SLT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2018 GMC Sierra 2500 HD Base, Denali, SLE, SLT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2018 GMC Sierra 3500 HD Base, Denali, SLE, SLT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2017 Chevrolet Silverado 1500 Custom, High Country, LS, LT, LTZ, SSV, WT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2017 Chevrolet Silverado 2500 HD High Country, LT, LTZ, WT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2017 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2017 GMC Sierra 1500 Base, Denali, SLE, SLT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2017 GMC Sierra 2500 HD Base, Denali, SLE, SLT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2017 GMC Sierra 3500 HD Base, Denali, SLE, SLT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2016 Chevrolet Silverado 1500 Custom, High Country, LS, LT, LTZ, SSV, WT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2016 Chevrolet Silverado 2500 HD High Country, LT, LTZ, WT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2016 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2016 GMC Sierra 1500 Base, Denali, SLE, SLT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2016 GMC Sierra 2500 HD Base, Denali, SLE, SLT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2016 GMC Sierra 3500 HD Base, Denali, SLE, SLT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
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