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Chevy Silverado and GMC Sierra Trailer and Towing Questions

192 messages,  Last post on Nov 11, 2009 at 5:32 PM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Towing, Truck

#139 of 192 Trailer brakes only work when manually applied by jschroer Aug 15, 2008 (5:08 pm)
I have a 2006 duramax and about a week ago I pulled my fifth wheel trailer for the first time this summer, and I think I blew a fuse or a relay because before I pulled it the trailer brakes worked fine but after they will only work when I squeeze the controller but not when I apply with the pedal. Where would I find the fuse that controls this? I have looked at the fuse blocks but can't seem to locate it.
#140 of 192 Re: Duramax or 6L that is the Question? [ritchiec] by davethecarnut Aug 26, 2008 (9:45 pm)
Replying to: ritchiec (Aug 09, 2008 8:05 am) My 8.1 gets about the same mileage as a friends 6.0. And when towing, that 6.0 works alot harder than mine. If you're doing a lot of towing, go for the Duramax.
#141 of 192 Re: Trailer connector fuse? [hbilow] by raisin67 Nov 22, 2008 (5:38 pm)
Replying to: hbilow (Mar 12, 2007 9:09 pm) I believe GM feels that 3 low batteries charging at once could overheat the alternator. 2 in truck, 1 or more in trailer. 2005 owners manual says not to put in 40 amp fuse if you have diesel (2 batt) or an aux batt in truck (2 batt).     If you have 3 low batteries, lights on, a/c on hi, etc that's too much load. Leave lights off, fan off, charge truck batteries 10 min. then plug in trailer after dry camping.      If your truck batteries are at full charge then no problem.. we put the 40 amp in an 05 today.
#142 of 192 Tow and haul by cprovost Nov 30, 2008 (2:09 pm)
Why when I put the tow and haul on when I pull something it is winding out. I brought it in and they said they could not find nothen rong. A nother problum is my rear tires are locking up but not all the time. If I take off and at the same time I hit a bump are if the tire spins a little bit it starts to lock up. A nother problum that GMC said there was nothen rong. Its a 2006 GMC crew cab Replies to this message: obyone (Nov 30, 2008 3:54 pm)
#143 of 192 Re: Tow and haul [cprovost] by obyone Nov 30, 2008 (3:54 pm)
Replying to: cprovost (Nov 30, 2008 2:09 pm) Tow haul mode causes the motor to rev higher before shifting so yes, it is winding out cause the truck don't have enough torque to begin with.   When you hit a bump there is an amount of wheel spin. The locker will pick that up as slippage and engage. Nothing wrong there either.
#144 of 192 Trailer wiring on 08 chevy by cac4 Dec 14, 2008 (6:26 pm)
I have a 08 chevy 1500. It is says it has the tow pkg and even has the 7 pin connection in the rear bumper, it doesnt have the recepticle though. ( thats a $75 extra imagine that). The question is that i have not power on the wires in the rear. The manual says there has to be something connected, but doesnt say what and to have the dlr do it. So has anyone done this yet. Thanks for the help.. Replies to this message: bubby_wubby (Jan 11, 2009 4:08 pm) cac4 (Jan 17, 2009 6:51 pm)
#145 of 192 12V Accessory to trailer by bapennison Dec 17, 2008 (5:38 am)
On my 2008 Sierra 2500 I have located under the hood the wire going to the 12V assessory to provide power to say a RV. I connected the wire to Stud 1 on the fuse block behind fuse 68. There is a 40Amp fuse already in place. My issue is with the mounting stud itself. I have tried several different types of nuts to tighten the wire down with but it is either too small or too big. Does anyone know what is the tread on this mounting bolt is? Replies to this message: cac4 (Dec 22, 2008 6:59 pm)
#146 of 192 Re: 12V Accessory to trailer [bapennison] by cac4 Dec 22, 2008 (6:59 pm)
Replying to: bapennison (Dec 17, 2008 5:38 am) I went to the dlr and they supplies the nuts to hook up the wires. Just ask the dlr to supply the nuts, they should after all you just gave them $30,000 for a new truck. They looked like factory nuts with the flanges built into them.
#147 of 192 Re: Trailer wiring on 08 chevy [cac4] by bubby_wubby Jan 11, 2009 (4:08 pm)
Replying to: cac4 (Dec 14, 2008 6:26 pm) did youever find out anything about your towing qustions what pins did not have power Replies to this message: cac4 (Jan 17, 2009 6:51 pm)
#148 of 192 Re: Trailer wiring on 08 chevy [bubby_wubby] by cac4 Jan 17, 2009 (6:51 pm)
Replying to: bubby_wubby (Jan 11, 2009 4:08 pm) There are 2 wires by the fuse box that must be connected to the posts on the outside of the fuse box. I went to the dlr they connected the wires for me. That then connects the power to the towing recepticle. Thanks for asking..

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