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How do you replace the ECU on a 1999 Mitsubushi Montero Sport?

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βˆ™ 2011-09-12 20:55:54

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I'm not sure of that models location of the the ECM, or ecu, but I'm betting it's under the passenger side seat, or located on the right side passenger kick panel, if it's under the seat, removing the seat makes it way easier, unplug the old ecm's connector(s), undo 3-4 10mm bolts that ground the ecm to the trucks metalwork, install the new ecm by boldint it to the metalwork first to insure you do not accidentally short with static or what not the new ecm, then plug the harness back in. If it's on the kickpanel, same process, just be prepared to get a crick in your back when you take it out.

2011-09-12 20:55:54
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Q: How do you replace the ECU on a 1999 Mitsubushi Montero Sport?
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