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Discussion Starter · #1 ·
I am thinking about upgrading to a 03 750 motor since the transmission went out on my 01. If I just get the motor will my wiring harness plug up to the 03 motor. I was reading today and the 03 doesnt have the fast idle switch like my 01. So do I need to make sure I get a wiring harness with the 03 or will I be ok?
 

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If you buy an 03 motor I would use your old throttle body off your 01. 03 TB wont plug into a 01 harness, if you use the old one youll have the fast idle switch also.
 

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Motor is same, some electric stuff is diffy. use your old tb's as IBi said and you will be fine.
 

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Discussion Starter · #4 ·
Is the TB's the only thing that is diffent. Will everything else plug to my wiring harness?
 
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