engine swap

hulken

New member
are the 87 and 89 yj 4.2 liter engine the same or are there differences. trying to route some starter problems
 

I think halfway through 89 they changed the motors from being a mechanical ignition to electrical. Wish i actually knew more to help ya out but im sure others here on this forum will get ya all straitened out and running in no time.
 
good tool to use is autozone.com
You can look up the 87 and 89 starter to see if the part numbers are the same. If they are then they would be wired alike also.
 
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