The horn relay is located in the fuse box under the hood of the 2007 Chevy Tahoe. The horn relay is responsible for making the car horn have sound.
Check drive belts and A/C clutch.
Sounds like the shock is loose, or the shock bushing is worn out.
Rear pinion gear, that's what mine was.
Time to change all 3 bearings. I just did it on my 1998 Tahoe with 200K miles. Not a easy job for your joe the average home mechanic. cost, about $750.00
your ac compressor could be seizing up. happened on my 2003 suburban.
check the fluid level
NO WAY. It would have to be 8 to 10 inches long to touch anything in the engine.
Not sure on the 1996, but probably behind the glove compartment, or under the center console. Depends on which sound system came installed.
That sound may be your power steering pump low or out of fluid
It means the engine has developed a leak. About the size of Mars. Be careful when repairing it tho. It might throw spaghetti at you.
repost your question the the TAHOE FAQ. There is a separate section just for Tahoes. Look under American Cars and then go to Chevy and so forth. A few clicks will get you to the Tahoe Forum for FAQ. Post your question there if you don't find answers here