Mercury - Ignition Harness Adapter Non-DTS 8-Pin to 14-Pin 84-896542T08. 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 when the boat's control wiring remains in place but the engine connector style has changed. The integrated eight-foot lead allows cleaner routing and helps reduce strain at the engine connec