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Computer question

546 views 5 replies 4 participants last post by  Scott Mac. 
#1 ·
I am just about to buy an ECU from someone on the JU board. I dont' know much about them, but I know I need a new PCM (according to the dealer, who wants to rip me off on one). Are these the same part, and are there any accessories I will need to replace this part? PCM, ECM, ECU? What's the difference??
 
#6 ·
SimonYJ said:
crap.....I was hoping I had finally come to the end of this nightmare. What information do I need, and what manual are you talking about? A FSM?
A FSM is good to have for near stock Jeeps but it won't give you part #'s. I would sugest you only consider it if it's for the same year and model as your Jeep. Just to be sure ask the guy what numbers are on the side of the box and compare it to yours.
 
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