Mercury - Ignition Harness Adapter Non-DTS 8-Pin Female to 14-Pin Male 84-896542T05. The Mercury Non-DTS Ignition Harness Adapter is designed for mechanical control setups where an existing eight-pin boat-side ignition harness must connect to a newer fourteen-pin engine ignition port. It is commonly used during repowers where the boat's control wiring remains in place but the engine has been updated. The integrated five-foot lead provides added routing flexibility and helps prevent tight bends o