1979 Cadillac Fleetwood Fuse Box. Maintenance Repair Please someone help me find the fusebox and relay box diagram to my 1979 cadillac coupe deville pheaton please my horn and interior lights wont work please some one help. All original paint on the body of the car.
Need the fuse block information on a 1979 deville. Jump to Latest Follow. Connect test light across fuse terminals.
If fuse is OK but pumps fail to operate check for voltage at the feed terminal of the chassis pump with a test light during the I second ignition on period.
Also check the 20 amp Gages-Trans fuse on 77 C-Cars. 1979 Cadillac DeVille-Maintenance Repair. The blower relay for the 1979 Cadillac is under the driver side of the dash. Remove fuse and disconnect all loads.
