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01-13-2015, 05:45 PM
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#15
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Senior Member
Join Date: Nov 2011
Location: Polk City Florida
Posts: 1,930
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You might swing by a GMC dealer and ask a tech which fuse will dissable that function. I am sure you are not the first person to tow that vehicle.
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Don and Nancy
[2018 Tiffin Bus 40 AP, 2022 Ford Edge ST , 9yr old sisters Sara n Kaycee, Havanese, Electric Catrike
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01-13-2015, 05:46 PM
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#16
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Senior Member
Join Date: Sep 2011
Location: SE Minnesota
Posts: 394
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I had an older Tahoe I flat towed (2001?)- If my memory serves me correctly, their is a fuse the manual says to pull. I now have a slightly newer one (2004) and I think the key just has to be in the right position. I would think your manual would tell you....?
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'05 TS DPusher (Model - Travel Supreme - Original)
'19 GRAND CHEEROKEE - Demco bar
"Over 40 years later....still on our honeymoon" ....Different Motorhome.
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01-14-2015, 06:25 AM
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#17
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Senior Member
Newmar Owners Club
Join Date: Dec 2002
Location: Pasadena, Md.
Posts: 1,117
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Quote:
Originally Posted by aauummm
Has your GMC ever had mileage accumulate on the odometer while being flat towed?
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For a Quick check..... put your GMC on a hill, turn the engine off, leave the key in a position where the steering is unlocked. Drift down the hill and see if the odometer registers.
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CC..... Happy Rving!!
2013 Newmar - Canyon Star 3940
2021 Ford Edge ST
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01-14-2015, 07:32 AM
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#18
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Senior Member
Join Date: Nov 2009
Location: Ottawa, ON
Posts: 100
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I would think that if you have the key in the right position (clicked forward to first spot and not 2nd spot), then it shouldn't record the mileage. Regardless, all the information you need should be in the manual under dingy towing (or something to that effect). All else fails, contact GMC.
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01-14-2015, 07:40 AM
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#19
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Senior Member
Join Date: Aug 2010
Posts: 1,495
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Check with your dealer before doing anything. You do not want to wreck anything due to poor advice or ignorance.
I do know that on our 2006 Saturn Vue, AWD, Honda drive train all I have to do is remove the ignition fuse but leave the key in the ON position. Rather than remove the fuse I installed a 30A inline fuse and 30A toggle switch in the driver's compartment so I just flip the toggle instead. Cleaner and quicker!
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01-14-2015, 10:19 AM
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#20
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,671
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You are the first person I know of to report this problem with a GM pick-up. Surely some others here must have a mid-2000's GMC 2500 diesel. Does anyone else see mileage accumulating? If not, what is RVnewbie55 doing wrong?
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Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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01-14-2015, 01:26 PM
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#21
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Senior Member
Forest River Owners Club Ford Super Duty Owner
Join Date: Aug 2009
Location: Vaughn, WA
Posts: 1,460
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Quote:
Originally Posted by cc8375
For a Quick check..... put your GMC on a hill, turn the engine off, leave the key in a position where the steering is unlocked. Drift down the hill and see if the odometer registers.
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Really???
With the engine off you lose your power brakes and power steering. Now imagine some clown pulling out in front of you. Sorry - bad advice.
__________________
Nick
1995 Coachmen Santara 360MB 36' w/slide.
Ford F53/460 chassis, 2020 Chev Equinox "toad"
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01-14-2015, 02:16 PM
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#22
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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Quote:
Originally Posted by newmarpusher
The OP's original request was how to "disable" (i.e. tamper with) the speedometer.
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You are correct but I believe and I think most others in this thread as well that he meant "Disconnect while towing" or "Disable when Towing" and we have given instructions as to how to do that (Turn off ignition).
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Home is where I park it!
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01-14-2015, 04:57 PM
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#23
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Senior Member
Newmar Owners Club
Join Date: Dec 2002
Location: Pasadena, Md.
Posts: 1,117
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Nick-B - Really..... your drifting do you need power steering or power brakes. Hmmmmm if your car lost power, going down the road, you believe Nick that the car won't steer or brake..... Really!
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CC..... Happy Rving!!
2013 Newmar - Canyon Star 3940
2021 Ford Edge ST
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01-15-2015, 06:17 AM
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#24
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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Quote:
Originally Posted by Nick-B
Really???
With the engine off you lose your power brakes and power steering. Now imagine some clown pulling out in front of you. Sorry - bad advice.
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Again you are making an assumption not supported by fact
HE SPECIFICALLY SAID "WHILE TOWING" in is request for info
If he is towing it then, hopefully he has an aux brake system installed and when he stops the tow vehicle the towed also applies the brakes.
And this is a guess.. but that Duramax may well have hydroboost, not vacuum boost, and with hydroboost there is a back up booster that runs on 12 volts, not the power steering pump. so even if he's not towing, You miss.
I double checked, He clearly wishes to tow the truck 4Down, and that was clearly stated in the original post, So any comments about driving with odometer disconnected, or rolling free down the hill are not proper and do not apply.
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Home is where I park it!
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01-15-2015, 08:25 AM
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#25
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Senior Member
Newmar Owners Club Holiday Rambler Owners Club
Join Date: Sep 2013
Location: Phoenix,Az
Posts: 527
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HE SPECIFICALLY SAID "WHILE TOWING" in is request for info
If he is towing it then, hopefully he has an aux brake system installed and when he stops the tow vehicle the towed also applies the brakes.
And this is a guess.. but that Duramax may well have hydroboost, not vacuum boost, and with hydroboost there is a back up booster that runs on 12 volts, not the power steering pump. so even if he's not towing, You miss.
I double checked, He clearly wishes to tow the truck 4Down, and that was clearly stated in the original post, So any comments about driving with odometer disconnected, or rolling free down the hill are not proper and do not apply.[/QUOTE]
Yes, I am towing 4-Down. Sorry to get folks in a snit. I am not trying to cheat on mileage etc. I just don't feel that mileage should accumulate if just being towed with no wear & tear to the engine or tranny. I am going to experiment with removing various fuses and will report back. I have not obtained aux. braking unit yet, but will before heading out on any major trips later this spring.
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01-15-2015, 03:54 PM
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#26
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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Tell you what.. If that thing is racking up the miles while you tow it, Google Remco Towing.
Enter the specifics (Make, Model, line, engine size, transmission, and such) into the took that is on their STORE site (left hand frame) and see what the main frame says.. (May tell you which fuse to pull).
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Home is where I park it!
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01-26-2015, 03:21 PM
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#27
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Senior Member
Newmar Owners Club Holiday Rambler Owners Club
Join Date: Sep 2013
Location: Phoenix,Az
Posts: 527
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I finally found it. It is in the main fuse box under the hood. It is labeled
IPC/DIC and it is a 10 amp fuse. Pulling it disconnects power to the entire dash cluster...no dash lights OR gauges. I then towed it 30 miles to get a few things taken care of and after unhitching from the coach, put the fuse back in and the mileage was exactly the same as when I left.
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01-27-2015, 09:30 AM
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#28
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Senior Member
Newmar Owners Club Freightliner Owners Club Spartan Chassis
Join Date: Apr 2012
Location: ON THE ROAD...SOMEWHERE
Posts: 6,973
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Quote:
Originally Posted by RVNewbie55
I finally found it. It is in the main fuse box under the hood. It is labeled
IPC/DIC and it is a 10 amp fuse. Pulling it disconnects power to the entire dash cluster...no dash lights OR gauges. I then towed it 30 miles to get a few things taken care of and after unhitching from the coach, put the fuse back in and the mileage was exactly the same as when I left.
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As long as that solution also disables the ability to start the vehicle, I think you are perfectly legit in doing that. It is kinda a pain though. Certainly, lack of dash instruments would make it hard for one to say they "forgot" to put the fuse back in place.
I'm still scratching my skull on why your situation is the first one reported on IRV2.
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Don, Sandee & GSD Zeus. Guardian GSDs Gunny (7/11/15) & Thor (5/5/15)
2006 2015 DSDP 4320 4369, FL Chassis, 2013 CR-V 2020 Jeep Overland, Blue Ox Avail, SMI AF1.
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