Good evening,
I currently received my re-man ecm because the stock one started leaking fuel. Well took old one out put re-man in and started up truck and truck ran like crap. Sounds like it was misfiring and check engine light was one. Took re-man out put stock one back in. And now I can't get wiring harness to plug back in. All they want to do is fall out. I zipped tired them in and went to start truck and truck cranks but won't start. What happend truck ran fine before I don't know what to do
Reman Ecm problems, misfiring, trying to plug the old one back in
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by B5love08, Sep 24, 2023.
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That was my thought as well. New ECM also has male pins, looks like female on the original. Unless there's parts missing from the pictures?
BoxCarKidd and Rideandrepair Thank this. -
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