This Painless Performance 23 circuit direct fit harness for 1987 to 1991 YJ Jeeps features a factory-style bulkhead connector that mounts the fuse block in the OEM location. This Jeep harness includes all the connectors and terminals needed. Included in this kit you will find a detailed manual and all of the wires are factory color coded and labeled for an easy install. NOTE: Factory EFI and emissions ICM are not supported. For more information about this wiring harness, check out the online instruction manual.