ORMJ Posted January 7, 2008 Share Posted January 7, 2008 I have a beat up donor 89 MJ with the 4.0L and I would like to swap the engine into my 89 shortbed with the 2.5L. Being the same years, what electrical will need to be changed? Your help would be great.... :bowdown: Link to comment Share on other sites More sharing options...
Pete M Posted January 8, 2008 Share Posted January 8, 2008 Pretty much everything under the hood to be sure. Probably the majority of stuff under the dash too. Probably easiest to swap over everything. Link to comment Share on other sites More sharing options...
ORMJ Posted January 8, 2008 Author Share Posted January 8, 2008 thanks, I have three of these damn things and its time one of them gets a 4.0L Link to comment Share on other sites More sharing options...
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