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'2016 F350 Tow/Haul Permanent on

2K views 3 replies 4 participants last post by  Phil G. 
#1 ·
Is it possible to permanently turn on the Two/Haul mode on the 2016 F350 w/power stroke diesel?
Have a utility body loaded with work stuff and truck is at GVWR.
I always use the tow/haul mode but would like the convenience of not having to turn it on every time start the truck, which is quite a bit.
 
#2 ·
here is a photo of the Tow/Haul circuitry. It appears you might be able to wire around the switch

 
#3 ·
That's not going to work. The software looks for a change of state in the circuit, not if the wire is grounded or not. You'd need something that would momentarily ground the circuit after each time the engine is started. Or an aftermarket tuner that always had tow/haul turned on.
 
#4 ·
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