Reproduction of the original engine & front light wiring harness for 1966 Coronet models. Engine/front light harnesses are for vehicles that require a joined engine and front light harness. Our harnesses feature correct color wires factory style connectors andis wrapped in no n-adhesive vinyl wrap. They attach to the firewall the same way as the original did. The firewall connectors will vary depending by model some models use a single style plug others use two.