93 94 JEEP GRAND CHEROKEE 5.2L ECU ECM PCM ENGINE COMPUTER UNIT 56027989 TESTED Climate Controls It's that easy

93 94 JEEP GRAND CHEROKEE 5.2L ECU ECM PCM ENGINE COMPUTER UNIT 56027989 TESTED Climate Controls It's that easyPart Number 56027989 ECU has no OEM security and will arrive plug and play. If your vehicle has security (most don't) then consult your local mechanic. Tech Notes ECU has been tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below: ASD Relay, A C Relay, Cooling Relay, Ballast bypass Good! ECU powered up and has communication! Alternator, AIS, TCC, Purge, EGR test good! ECU injectors

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