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Old 09-04-2015, 10:02 AM   #1
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Flat towing a 2015 Chevrolet Suburban

Hi,
We just purchased a 2015 Chevrolet Suburban 4X4 because or 2007 Tahoe 4X4 was totaled by a hit and run driver. Does anyone have experience flat towing a Suburban? GM and Roadmaster state that it is flat towable. I also had an SMI Air Force One installed for braking. The Curb weight of the Suburban is about 5800# and the curb weight of our Tahoe was just over 6,000# because of the aftermarket items I added. I will have the Suburban weighed to get actual weights so I stay under the GCWR of the motorhome. I really don't like the idea of needing to pull the negative battery cable but that appears to be what is required by GM. Any suggestions would be greatly appreciated.
Thanks,
Michael
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Old 09-04-2015, 11:05 AM   #2
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Any reason stated as to why the battery cable is to be removed ? I am guessing electric power steering ??? You must have plenty of power on board to tow 6000 lbs but sounds sweet,just pay the fuel bill install a battery disconnect switch so tools required once and have fun !!! JMO
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Old 09-07-2015, 01:50 PM   #3
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Just a Cummins ISB 300. Won't be fast but is within limits.
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Old 09-09-2015, 01:35 PM   #4
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It's a thread on here on how to rig up a relay to cut the battery on and off I think it on the Chevy pickup or GMC thread, also posted that the electric steering is the reason it has to be off.
Have you thought about M&G toad brakes, it simple and a easy install.
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Old 09-09-2015, 03:04 PM   #5
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battery disconnect

I flat tow a Yukon. Rather than disconnect the battery cable I installed a battery knife switch (available at most auto parts stores). Simple to install and simple to use. One reason for disconnecting battery is to disable Stabiltrac system on your GM vehicle - needs to be done otherwise the Stabiltrac system will try to keep your GM traveling in a straight line - not good when turning corners when towing
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Old 01-07-2016, 07:23 PM   #6
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I don't think the M&G will work on a 15 or 16 Silverado.The new GM trucks are having problems when towed. I think there is something in this forum on that subject . Multiplex wiring, electric power steering, no vacuum booster as it uses Hydro boost and a funky transfer case programming. My US Gear brake system will not work with the new GM trucks. I think there is also an electric steering wheel lock! I am a GM guy but very disappointed. I am presently towing an 09 Silverado. Thinking of spending a few dollars to make it more re; liable: Change tranny fluid, both diff fluids and the transfer case, new front brakes. Change coolant and top and bottom rad hoses. For little money I can get a few more years out of her.
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Old 01-08-2016, 01:35 AM   #7
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Quote:
Originally Posted by msturtz View Post
Hi,
We just purchased a 2015 Chevrolet Suburban 4X4 because or 2007 Tahoe 4X4 was totaled by a hit and run driver. Does anyone have experience flat towing a Suburban? GM and Roadmaster state that it is flat towable. I also had an SMI Air Force One installed for braking. The Curb weight of the Suburban is about 5800# and the curb weight of our Tahoe was just over 6,000# because of the aftermarket items I added. I will have the Suburban weighed to get actual weights so I stay under the GCWR of the motorhome. I really don't like the idea of needing to pull the negative battery cable but that appears to be what is required by GM. Any suggestions would be greatly appreciated.
Thanks,
Michael
Michael
Give this a look when it comes to charging your battery. I will be getting one for my Ford Edge.
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Old 01-08-2016, 08:41 AM   #8
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I tow a 2015 GMC pickup. I have an M&G brake system and yes manual says to disconnect the neg side of battery. There is a simple process to put transfer case in to neutral and then it takes me about 15 sec to disconnect the battery. Really not that tough.

And i will add there are no problems towing it.
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