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Old 12-08-2023, 02:05 PM   #1
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Parking brake on dinghy

Hello all, I hope someone can help me.
I want to flat tow a 2023 Chevy Colorado trail boss. Have everything hooked up and headed out on test drive. Went roughly 15 miles and everything smooth. Then I brake to make a turn and start going and I look behind me and tire smoke pouring out of truck. The parking brake went on by itself?! Now I canít tow it at all. I released brake and tried again. After a foot or two they engaged again. But Iím able to drive the truck home. Just seems to do it when transfer case in Neutral.
So we had to unhook and drive separately. When I got home with truck disconnected I once again put transfer case in Neutral and trans in park and just pushed it by hand and brake engaged again. Totally baffled.
Thanks
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Old 12-08-2023, 02:10 PM   #2
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Originally Posted by Wagsmich View Post
Hello all, I hope someone can help me.
I want to flat tow a 2023 Chevy Colorado trail boss. Have everything hooked up and headed out on test drive. Went roughly 15 miles and everything smooth. Then I brake to make a turn and start going and I look behind me and tire smoke pouring out of truck. The parking brake went on by itself?! Now I canít tow it at all. I released brake and tried again. After a foot or two they engaged again. But Iím able to drive the truck home. Just seems to do it when transfer case in Neutral.
So we had to unhook and drive separately. When I got home with truck disconnected I once again put transfer case in Neutral and trans in park and just pushed it by hand and brake engaged again. Totally baffled.
Thanks
Aren't you supposed to disconnect the battery before towing. I thought that was the case with the 2022's.
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Old 12-08-2023, 02:46 PM   #3
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Grumpy

I havenít read anywhere where it says to do that. This is a 23, totally new truck. But I was able to haul for 15 miles before this problem started. Plus it did it when I hand pushed it in my drive way.
Thanks
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Old 12-08-2023, 02:50 PM   #4
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This is from Roadmasters Dingy Towing Guide for 23, just looked it up.

Manufacturer’s Instructions: Only dinghy tow four-wheel-drive vehicles with a two-speed transfer case that have a neutral position and a four-wheel-drive Low setting. Shift the transfer case to N (neutral). Negative battery cable must be disconnected and covered with nonconductive material. Keep the ignition in the ACC/ACCESSORY to prevent the steering column from locking. Shift the transmission to Pa
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Old 12-08-2023, 03:27 PM   #5
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Grumpy

Thanks. Interesting info. Iíll be trying that tomorrow since itís dark out now.
Would have been nice if GM putting that in the manual.
Still seems strange that it pulled just fine for 15 miles before this issue.
Thanks again
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Old 12-08-2023, 03:53 PM   #6
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Originally Posted by Wagsmich View Post
Thanks. Interesting info. I’ll be trying that tomorrow since it’s dark out now.
Would have been nice if GM putting that in the manual.
Still seems strange that it pulled just fine for 15 miles before this issue.
Thanks again
Right in the center of page 317 of the owner's manual... Just found it on line..

#10

. Disconnect the negative (–) battery
cable. See “Negative Battery Cable
Disconnection” in Battery - North
America 0 265.
Caution
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Old 12-08-2023, 06:20 PM   #7
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My wife’s Jeep Renegade came with a negative quick disconnect. Go to Jeep and get one for your toad. I am gonna add one to my Greyhawk 30Z house battery. You just push the top and the cable just pulls off the post.
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Old 12-09-2023, 01:10 PM   #8
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Thanks

Thank you everyone. I hooked up a negative quick disconnect and tested in the driveway and it seems to work. Canít actually hook up and test on MH for a couple days.
Thanks again
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