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SHOW ME A PIcture of a 1992 buick lesbare securty system wire?"
i believe it is the rear right speaker. if it is plain green with NO black, then it is the positive wire check this site out: http://www.modifiedlife.com/1998-buick-century-car-radio-stereo-audio-wiring-diagram/
this is just a thought. Im not familiar with 1996 Buick but many radiators and the engine they have connection between to just to discharge all of the + charge inside of the radiator so it wouldn't go bad. I would look bad inside like corosion on battaries if it didnt have a ground wire.
There isn't a "fuse" per say, but there is a fusible link. Which is a peice of wire of that a wired fuse in the middle. I have never seen one of these blow, but, anything can happen. More likely thou, your alternator died.
check the charging fuse and the fuse able link on field wire
OBVIOUSLY, a cracked or broken wire in the wiring harness is your problem.
the oxygen sensor is located in/on the exhaust manifold.it looks like a spark plug with a wire coming out of the top
probably a loose wire or a fuse
Remove the spark plugs wire and remove the plugs wit a spaerk plug wrench or socket.
This might help and it might not. On the 94 Century, from the back of the alternator, go to the fairwall. You'll find a 4 wire connector, disconnect and remove the regulator.
1. Check the fan fuse 2. Verify that the fan motor will run. (carefully jumper with a wire from batt+) 3. Check out fan relay or have checked by a technician.
it might be a horn relay switch or a wire or simply check related fuses in the compartment.