Upfitter

Installation Of Upfitter Auxiliary Switches (RPO 9L7) – 2014-2019 Chevrolet Silverado & GMC Sierra

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2017 Chevrolet Silverado

NHTSA ID Number: 10147377 Manufacturer Communication Number: PIT5298C   Summary This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 110. The information can be found at https://www.gmupfitter.com/ under the “Technical Bulletin” Tab and … Read more

Upfitter Configurable Auxiliary Circuits (Police And Special Service Vehicles) – 2015-2020 Chevrolet Tahoe

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2019 Chevrolet Tahoe

NHTSA ID Number: 10168963 Manufacturer Communication Number: PIT5325C Summary This Preliminary Information communication provides information to the technician about the new 2015 – 2017 Tahoe Police Package Vehicle and Special Service Vehicle have four relay controlled circuits which can be utilized when installing special first responder equipment. Please reference the latest version of General Motors Upfitter Integration … Read more