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msturtz's avatar
msturtz
Explorer
Oct 25, 2015

Warning ! Problem with 2015 Chevrolet & Tahoe Suburban Toads

The 2015 Chevrolet Suburban & Tahoe and GMC Yukon & Yukon XL & Cadillac Toads have an error in the owner's manual with regard to flat towing. The owner's manual states to disconnect the negative batt...
GordonThree's avatar
GordonThree
Explorer
Oct 25, 2015
All I can think of is this scenario:

If you're supplying power to the truck's brake fluid pump, lights and other systems, that power will back-feed into the body / engine computers controlling those systems, and since those computers are grounded to the chassis, which is now grounded to the coach via the tow bar, you have a complete circuit.

I don't see how disconnecting any of the truck's battery cables would help with that scenario.

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