tow/haul

[tahoe4life]

2000 Chevy Tahoe LT, 5.3L, 4WD. Tow/haul randomly turns on and button does not work when I want it too. Sometimes stays on for days and kills my mileage. Is the switch going bad or an actuator in tranny?? Anyone else had this problem?

 

[jetblast]

Sometimes the wiring in the the steering column starts to rub against things and can also break. It happened to my dad's 2003 GMC 2500.
All I did was split the steering column covers remove the shifter and the orange wire that goes to the tow haul button and repaired the wires.

 

[M3PO]

Yep, it seems these wires were installed stretched from the factory and is often the issue. Short story: I have a couple buddies that are Honda techs; we were on a road trip in one of the friend's 1500HD and his T/H button wouldn't turn on, when I told him it was probably the wire running through the shifter, they both laughed. Sure enough, it was a stretched wire in the shifter.

 

[bikerglasses]

I needed to repair this when I bought my Tahoe about 2 months ago... easy fix, I cut out the bad/stretched wiring and added about 3" of wire so it doesn't happen again. Pretty easy fix, definitely check this before buying new switch --saw them used in ebay for more than $55 ..fixed it myself for $0.

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