REPAIR SERVICE 99-04 JEEP GRAND CHEROKEE 4.7L ECU PCM ENGINE COMPUTER Featured Products If the pump or wiring

If the pump or wiring is bad it can the board to pop causing a "pump runner" situation

You can easily swap yours onto this working unit

Will fit the following vehicles with matching part number

5L3A-12A650-ABB

It will usually blink for roughly 20 seconds

REPAIR SERVICE 99-04 JEEP GRAND CHEROKEE 4.7L ECU PCM ENGINE COMPUTER Featured Products If the pump or wiringREPAIR & RETURN PROCESS The Repair and return process is pretty simple and helps you avoid paying the high cost of a new ecu through your dealer. Step 1: Click on the buy it now button, select your return shipping preference and complete checkout. (Please make sure to read the Tech Notes below prior to purchase, thanks!) Step 2: Package your ecu carefully so that it does not incur structural damage during shipment. Take it to the Post Office, FedEx,