ECM By-Pass System For 2004.5 Dodge Ram 2500/3500 Optional feature for Exhaust brake kits without air tanks. Not for use with Pacbrake Transmission controller or kits with Dual relays.
- Can solve the ECM's delay in activating your Pacbrake exhaust brake by more than 50%!
- If/when you overshoot your cruise control set speed, the ECM By-Pass will automatically activate and slow the vehicle to your preset cruise speed!