This is only used on applications using a CD Box, such as an MSD 6AL, while not using timing control.
Tach Input Ignition Adapter
Part #: 558-302- Length: 2"
- Width: 2.2"
- Height: 4.2"
- Emissions Code: 3
- Prop 65: No
Installation Notes:
Plugs into the connector labeled “IGNITION” on the main harness. The Loose yellow/black lead connects to the “Tach Out” terminal of the ignition box. Caution: Never connect this wire directly to the Ignition Coil.