Smoothes out speedometer action and corrects voltage. Use if you get an error code when first turning on the ignition key or if speedometer unsteady.
For use with the XM7 SafetyPass Pro Control Unit XM7CU
Use RCA adapter ONLY if you need to. If you can't Get anything to work, let us know because their are a few more adjustments we can try. Connect this adapter to the Brown/Yellow wires on the install cable. Connect RCA Plug from control unit to the adapter. Other RCA lead from control unit connects directly to theBlack/White wires on the install cable.