it looks like a corsica
they were teepees
There are several relays and they are generally black and about the size of an ice cube.
Look at this website , there you can find an answer ! http://nativeamericans.mrdonn.org/plains/cheyenne.html
The oil drain plug on a 1994 Chevy 350 is on the underside of the motor. Look for a bolt in the very center of the bottom of the engine.
You can look on autotrader.com and see what others are selling for. You could also try kbb.com
look up under the mirror on the plastic piece you will see a star head screw remove it that plastic cover comes off, then you should have 2 bolts take them out and the mirror should come off
That is whats mounted to the side of the master cylinder and has electric connector pluged into it.
Look on the exhaust pipe ahead of the catalytic convertor for a spark plug sized sensor screwed into the pipe. On a 1988 Cheyenne it is located on the left side of the engine on the exhaust manifold.
Below a link http://images.google.com/images?hl=en&q=1994+chevy+cavalier+wagon&btnG=Search+Images&gbv=2 If this does not work, go to google, click images, and type in the search term/
look on the inner side of the trucks frame rail directly under driver side door
Look on the engine side of the firewall in front of the clutch pedal. You should see the reservoir there.