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1990 Oldsmobile Ninety Eight Questions & Answers
Freon for 1990 oldsmobile 98
This car uses R12, it is no longer available, you must convert it to R134, this requires the compressor and reciever dryer be replaced and the system flushed out and the new PAG R134 refrigerant oil be added and new charging port kits installed. Is that car worth this effort?
The horn quit working i ran a jumpper wire to it
It sounds like it could be a fuse isuue. I would first try to see if you can locate a fuse for the horn in your fuse box, ( fuse box should be inside, on the driver's side, under the dash, near the driver's door. When you remove the box cover, look on the inside of the cover, it may have fuse diagram to help you locate the fuse for the horn.
If it isn't a fuse related problem, you may need to run a new lead wire to the horn. The old wire could have be faulty from breakage, or corrosion.
That was good thinking using a jumper wire.
Best of luck!
Voltage
Sounds like the voltage regulator in the alternator is bad. Take the alternator off and have it tested (for free) at a parts store.
Location of fuel rely switch
GM are usually in the trunk on same side as fuel fill door. Look for small hole on the sheet metal ribs on side of trunk.
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