I have a 97xj had a crank no start problem I replaced the CPS and nothing later I swapped with a know good ECU and it fired up ram for about a week then dies on my way home since it died I have checked that I have fuel and spark I have fuel but had a week spark replaced the ignition coil and distributor cap and rotor still nothing I have also cleaned all my electrical connection with electrical cleaner this is an early model 97 and my odometer codes are 12,11,24,55, and 45 after resetting the ECU I am only getting codes 12 and 45 at this point I’m lost all help is appreciated thank you