Where is the horn relay on a 2008 GMC Sierra?
The horn relay is integral to the PCB in the under hood fuse box and is not serviceable. The whole fuse panel would need to be replaced if it is the relay. the 2008 horn relay is called PCB horn .
How to replace the horn on a Chevy Silverado?
This video shows how to troubleshoot and replace your horn. NOTE another common issue with these GM trucks is the switch located behind the air bag. BE CAREFUL if you try that because the air bag could explode! This video covers the fuse, relay, and replacement of both horns (driver side and passenger side Loading…
Where is the fuse on a Chevy Silverado horn?
NOTE another common issue with these GM trucks is the switch located behind the air bag. BE CAREFUL if you try that because the air bag could explode! This video covers the fuse, relay, and replacement of both horns (driver side and passenger side Loading…
Who is the owner of the 2008 GMC Sierra?
2008 GMC Sierra Owner ManualM GENERAL MOTORS, GM, the GM Emblem, GMC, the GMC Truck Emblem, and the name SIERRA are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice.
Are there any problems with the GMC Sierra 1500?
Check out our GMC Sierra 1500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 1500.
How often does the GMC Sierra come out?
Their four generations have appeared every five to seven years: 1999 to 2007, 2007 to 2014, 2014 to 2019, and 2019 to the present. Here’s a look at some of the most common problems the GMC Sierra has had over the years.
2008 GMC Sierra Owner ManualM GENERAL MOTORS, GM, the GM Emblem, GMC, the GMC Truck Emblem, and the name SIERRA are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice.