Basic Wiring Harnesses for 1977-81 Trans Ams Pontiac called this connector a "harmonica". This is a 1977 fuse block, and it is typical of 1970 to 1979. The 1980 fuse block was totally different and used blade-type fuses. This particular fuse block has power windows connected, which we'll get to later. The add-on wiring harnesses plugged into the middle of the fuse 83 Camaro Fuse Box - Wiring Diagram Networks Sep 01, 2019Aug 28 2013. You can find a fuse box diagram for your 1983 chevy camaro in the back of the owners manual. 82 83 chevy camaro berlinetta gold passenger side dash emblem nos gm rare fits. 78 camaro wiring diagram here you are at our site this is images about 78 camaro wiring diagram posted by maria rodriquez in 78 category on sep 27 2019.