The use of the Turbo Timer harness makes instillation much of your Turbo timer much easer.  It allows you to simply unplug your ignition wiring, plug in the harness, and then plug the turbo timer into the harness.  There is still some minor wiring that needs to be done, but this will take care of the most difficult step of the install.

 

Harness may be different than the one pictured.