As far as I've been able to find there are 2 fuse blocks. The first is under the dash on the drivers side. There is a second fuse/relay block on the far right passengers side under the dash. It is up above the vanity panel so I think that will have to be removed for access. This block also holds relays for various vehicle systems.
Where is the fuse box on a 1987 cadillac sadan deville.
You can find several relay switches on your 1990 Cadillac Sedan Deville. Most relay switches will be in the fuse box. The relay switches will be in the third column of the fuse box.
behind glove box
In my 83 cadillac sedan deville it up by the break petal next to the firewall.
This is typicall attached to the inside cover of the fuse box
Fuse box in a 95 deville is in the trunk on dricers side Drivers side in the trunk and the same side in the engine compartment.
under the back seat
The PCM in a 1993 Deville gets power from the IGN fuse. the fuse is located in the distribution box under the hood.
In the trunk, remove the back panel by unscrewing the four plastic knobs on the roof of the trunk, there is the entire fuse box for the vehicle
The 1995 Cadillac Deville sunroof fuse is located in the fuse box. The sunroof fuse will be one of the four auxiliary fuses at the bottom of the second column.
under left side dashboard
There are fuses boxes under the hood and in the trunk on the drivers side on a 95 Deville