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The blower motor relay on a 1980 Cadillac Coupe Deville is situated on the passenger side. It is located in the vicinity of the firewall and is just below the windshield.
It appears your blower motor is not working correctly on your 1980 Cadillac Coupe Deville. The vents are for both AC and heat. You may also be losing vacuum pressure. If you cannot find the source, your mechanic can help you do so.
I got my fuse box daigram at Murrays' I bought a Chiltons Book for my 1989 Coupe Deville. It lists previous years also. You can probably have someone at Murray copy the diagram for you out of the book. They copied some things for me.
~4,200 lbs
Depends the model of the Cadillac. A 1980-1985 Cadillac Fleetwood Brougham coupe gross weight is 4000lbs.-4400lbs.
Rear
Only 8,336 Cadillac Fleetwood Brougham coupe's were produced in 1985 and was also the last year of the coupe body style. If you look hard enough there's always one for sale but be ready to spend $$$$. ;) 1980-1984 Coupe Devilles will also fit and I tell u what, if u find the doors, they are very very expensive.... I got a pair of solid one's from 1981 Coupe Deville that i paid back in 04 for 700 bucks that Im planing to put on my 1985 Brougham
The first thing you should do is loosen the four nuts bolting the seat to the car. Then you can tilt the seat back and disconnect the wire harness from the motor, and finally manuever the seat out of the car. Installation is the reverse.
Either a 368 cid gas V8 or a 350 cid diesel V8.
Google Kelly Blue Book and enter in the information such as condition and mileage, it's your best bet for an estimate
AS Monaco was the winner of the Coupe de la Ligue in Coupe de France in 1980.
Firing order for 1980 Cadillac Eldorado 6.0 Engine is 1,5,6,3,4,2,7,8.