SOLVED: Need Fuse Block Diagram for 84 CJ7 - Fixya Oct 05, 2008Need Fuse Block Diagram for 84 CJ7 Headlights won't work, I need to get home tonight and cannot locate which fuse - Jeep 1984 CJ7 question. Search Fixya ddlucia: there is one fuse box located in the engine compartment. it is a large black box. it will contain the headlight fuses. Jeep CJ (1978 - 1986) - fuse box diagram - Auto Genius Sep 26, 2018The V8 models have a 1.5 amp. in-line fuse protecting the cruise control. All Jeep models are equipped with fusible links, located in the engine compartment, which protect the circuits. WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.