These are made to order, and orders will take approximately 4-6 weeks to ship. Please note that any order cancellations will be subject to a 25% cancellation fee, which will be deducted from the refund amount.

This replacement Main Harness is a service component designed for the second generation of our 1986–1995 Ford Mustang MFAdapters, compatible with Holley Terminator X, X Max, HP and Dominator systems not using Transmission Control.

If your MFAdapter carries a serial number of 000300 or higher, you are using a second-generation unit.

Not sure which generation you have? Give us a call, we’ll be happy to look it up for you.