Want this question answered?
The horn is located behind the left headlight. Remove the headlight pins, and then the headlight. You should be able to spot it then.
On a 2008 Sierra you must first remove the 2 bolt on top then on the wheel well their is 2 bolt that release the lower front rap around below head light then their is a bolt that must be loosed. the light pulls out from the bottom.
how to remove and install fenders on my 1994 gmc sierra
The 2008 GMC Sierra-2500HD has a V8 engine.
The 2008 GMC Sierra-2500HD has 16 valves.
The 2008 GMC Sierra-3500HD has 16 valves.
The 2008 GMC Sierra-3500HD has a V8 engine.
The 2008 GMC Sierra-1500 has a V6 engine.
The 2008 GMC Sierra-1500 has 12 valves.
The 2008 GMC Sierra-3500HD has overhead valves (OHV).
The 2008 GMC Sierra-2500HD has overhead valves (OHV).
The 2008 GMC Sierra-2500HD has a 6-speed automatic.