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Discussion Starter · #1 ·
Hi guys, I just traded my 2011 Z71 (140,000) for a new LT 4x4. The only thing not on the truck is a hitch for what I need. I'll be towing a car trailer with a track car from time to time. Hitch recommendations and how can I tell if the wire looms I am seeing are for the trailer hitch? There's a wire loom coiled up by the spare and looks like that could be it.

Thanks!
 

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Lukestruck said:
Also should mention that the trans is equipped with tow mode so hoping that a sign of a pre-wired truck...
I think all Silverado 1500 have the tow mode. My 2017 WT does.
Buying the truck with the towing package is a good deal; hitch socket, 4 &7 pin plugs and limited slip rear.
 

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2021 GMC Sierra Denali CC 4WD Ultimate 6.2L
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No limited slips in trucks, all are lockers. Limited slip differential are used in performance cars like the Camaro, CTS-V etc.

G80 is free-flow option code for non-standard differential; can mean either a locker or limited slip, depends on the vehicle which type is used.
 

· Member Extraordinaire, How-To Author, TOTM
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Check your rpo codes for the proper gear ratio. Considering it didn't come with a hitch it might not have a low enough ratio to pull your car trailer.

Sent from my iPhone using Tapatalk
 

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After you figure out your hitch dilemma, have an auxiliary transmission cooler installed. Its a must on any truck that tows unless you like to overheat transmissions on nice hot days.
 
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