1977 JEEP CJ5 Wiring Harnesses - Summit Racing Equipment Find 1977 JEEP CJ5 Wiring Harnesses and get Free Shipping on Orders Over $99 at Summit Racing! Jeep CJ Wiring Harness | eBay We are parting out a bunch of Jeep CJ's. This was pulled from (J115) a 1979 CJ7. This is the front light harness. This has 4 pins across on the plug that goes through the firewall 1980 was the last ye..