Try over in the ceiling over the drivers head and it looks like a mic for the onstar system.
under the dome
ON my 08 silverado there are two horns, one located below the left and right headlight assymbly.
Both B1 and B2 knock sensors are located under the intake manifold of which has to be removed to gain access to them.
"Where is the oil plug located for a 2008 Chevy silverado ext cab?"
The oil pressure sensor, on a 2008 Chevrolet Impala, is located on the front of the engine. The sensor will be just above the oil pan.
Slave Ambient was created in 2008.
Where is the radio fuse on the 2008 Silverado
it is located on the passenger side underneath the seat
On the fuel pump
on the air intake
#22 DIC fuse located just inside drivers door
This truck does not have it seperate. It is built into the mass air flow the wire colors are tan andtan/black