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Message: <blockquote data-quote="Mustang5L5" data-source="post: 1541518" data-attributes="member: 30520">Ford used 2 distinct ABS systems on the 94-04 cars.  The early cars had a 3-channel ABS system.  This setup ran from 1994 to 1997.  4 inputs from wheel sensors, but only 3 outputs.  Single line to the rear. This system uses a diagnostic port under the hood to pull ABS trouble codes, and you can use a paper clip to get the ABS light to blink codes.   In 1999, Ford went to a 4-channel ABS system across the board, with traction control.  The algorithm was improved and this is thought to be a much better setup.  The system now is module based, so DTC's need to be pulled via a scan tool that can read module-based DTC's.   Now, i haven't been able to confirm this, but 1998 may have been a crossover year.  Early cars got the older 3-channel setup.  Later cars got a 4-channel setup (minus the TC).  I'm not 100% on that.My understanding is the difference is in the programming of how the system responds due to the differing brake setups/rotor sizes and predictive braking.  The Cobras have larger brakes so they are able to exert more braking force to the rotor and can slow down the car at a faster rate. Because of this, the Cobra units have different program to take this into account and predict lockup for their unique brake setup.     There's a few modules:  COBRA, GT Traction, V6 traction, and V6 ABSBut I put full Cobra F&R brakes on my previous '03 GT without issue, and currently have Cobra front brakes (rears coming soon) on my '00 GT and they operate normally as far as I can tell.</blockquote>