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Okay - I can't see why I need to change out the radiator in my Yuk to do this mod. Doing a quick measure of the top radiator/shroud, and comparing it to my 06 Sierra with electric fans all the measurements are the same

I want to to this with stock 05+ Yukon/Sierra/Silverado fans. All I need is the harness and to turn on the pins on the ECM? By going stock can I avoid tapping into the AC wires and what not? Would I need to change any sensors?

I did do a search, but most of what I found was adding aftermarket fans.

Thanks!

Mr. 960
 

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most yukons and tahoes came with the 34" rad so as long as you are sure thats what you have all youll need is a tune, harness, and 05+ fans. youd have to ask justin at blackbear how that harness would work. also a bigger alternator such as a 145amp is recommended, but im not using one and have no problems
 

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I put the electric fans out of a 05 Yukon in my 2001 Suburban. Didnt need to change anything. And best part is that I got it brand new, still in its original box for $20.
 
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