HOW TO Fix Replace high frequency chevy shark fin OnStar antenna water leak on a Chevy Tahoe. I have seen similar situations on Silverados and GMC trucks. (the ebay link says its compatible with 338 vehicles) check to make sure it works with your vehicle before ordering!

TOOLS NEEDED
Plastic Pry Tool
Socket Wrench
-8mm Socket
-10mm Socket
T 10 bit

Manufacture: New
Color: Black
Year fitment: Models:
2015-2018 Cadillac Escalade
2015-2018 Chevrolet Silverado
2015-2018 Chevrolet Suburban
2015-2018 Chevrolet Tahoe
2015-2018 GMC Sierra
2015-2018 GMC Yukon

EBAY LINK
ASM-HIGH FREQUENCY ECCN=5A991 *BLACK
https://www.ebay.com/itm/254155958502...