Electrical component locations - Porsche 911 1984 1989 Refer to the component location photos and tables in this repair group for electrical component locations. Fuse positions Porsche 964 911 Carrera4. Engine Management General. Fuel Supply - Porsche 911 1984 1989 Where is the fuse box located in a 1985 911? 6 years ago. Reply; Location Of Relays And Fuses In The Vehicle Effective With Location Of Relays And Fuses In The Vehicle Effective With 1 9 7 4 Models Last Updated on Tue, 21 May 2019 | Porsche 911 Guide Beginning with 1974 models, the fuse box is located on the left side panel of the luggage compartment near the brake fluid reservoir.