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GMC Sierra Classic Questions and Answers
- Can a Convert-A-Ball Cushioned 5th Wheel Adapter be Used on a 2007 GMC Sierra 2500HD Short Bed
- In order to determine if you will have enough clearance, measure from the center of the gooseneck ball in your truck forward to the back of the truck cab. That distance will have to be at least 4 inches or more than half the width of the trailer overhang.
For example if the measurement on the truck is 44 inches then the widest trailer you can tow safely is 80 inches. In order to get more offset you will need to use something that provides an actual offset that moves the pivot point back (the
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- Is the Hopkins Tailgate EasyLift Compatible with an LED Light Bar Under the Tailgate
- Light bars can sometimes interfere with the installation of the Hopkins Tailgate EasyLift, # 74211. I spoke with my contact at Hopkins to see if they know of any fit issues with a light bar and he told me they did have some reported complaints about light bars interfering on Dodge trucks, but he did not have any information on GM trucks.
I do have some information that will help determine if the EasyLift will fit with your LED light bar. To install the EasyLift on your truck, you will need t
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- Dimensions of Westin D-Ring Shackle # 47-3406
- After speaking to my contact at Westin, I have found the length of the Westin D-Ring Shackle # 47-3406 is 5 inches and the width at the widest point is 4 inches. It is 3/4 inches thick and weighs 1 lb and has a weight capacity of 25.5 tons load rated.
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- 4-Way and 7-Way Connector Needed for a 2007 GMC Sierra Classic Body Style
- Yes, the connections for the 4-flat connector are internal on the Hopkins 7 and 4 Pole Connector, # HM40975. Once you plug the factory connector into the Hopkins connector, the 4-way and 7-way sockets will have power.
I attached an installation video on a similar truck for you to check out. Since you already have a 7-way connector on your truck, you will simply need to disconnect the factory connector from the 7-way socket and plug it in to the Hopkins socket.
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- Can Brake Controller Cause the Trailer Running Lights Not to Work and Fuse Blow on 2007 GMC Sierra
- It might not be the brake controller that is causing the problem. It sounds like there could be a short on the trailer that is causing the fuse to blow. You will want to check the trailer wiring and make sure there are no nicks in the wiring that might have exposed wire touching the metal of the trailer frame. Also check the truck and trailer side connectors for corrosion that might be causing a short. Corrosion can also build up behind the connectors where the wires attach.
The 7-Way wiring
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- Recommended Battery Charger for Marine Battery Running Backup Sump Pump
- What you are wanting to do is certainly possible, but because the # CTEK56158 does not have a maintenance mode, it could not be permanently connected to the battery and forgotten about.
My contact at CTEK tells me that their 7002 model, part # CTEK56353 does have a maintenance mode and could be continuously used to maintain your marine battery while remaining connected to the battery, and while the battery remains connected to the pump. Once the charger senses a voltage drop in the battery,
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- Will UWS Truck Bed Toolbox UWS00161 Fit a 2007 GMC Sierra 1500 Crew Cab
- I checked with UWS and the Slim Line box, # UWS00161, will fit a 1978 to 2010 full size, long or short bed, GMC truck. Your 2007 does fall into that category so the box should be a fit. To make sure, we always recommend that you compare the box measurements on the product page below the description and specs sections with your truck measurements.
I have also included a link to the main page for the toolboxes listed as fits for a 2007 GMC Sierra Classic. Just select your bed length from the li
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- Derale Thermostatic Sandwich Adapter Recommendation for a 2007 GMC 3500HD Dually
- I would recommend you get a Derale Thermostatic Sandwich Adapter # D25782 as it comes with multiple adapter sizes to ensure that you get the correct size for your application.
I did some checking and it looks like you will need the 22 mm x 1.5 mm size for your 2007 GMC 3500HD. This is one of the included sizes in the # D25782. However, since you said you have a LBZ engine and I was under the impression that the 2007 trucks had the LMM engine the # D25720 would be a safe recommendation so as t
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- Replacement Mounting Hardware Kit for a Westin Platinum Series Step Bar on a 2007 GMC Sierra
- The mounting kit you will need for your Westin Platinum Series Step Bars # 26-1680 is the Replacement Hardware # 25-168PK.
I checked with Westin to confirm that this is the correct hardware kit for you.
I also attached an installation video for this product on a 2009 Chevy Silverado for you to check out also.
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- Replacement Dome Lights for a 2007 GMC Sierra 2500 HD Classic Extended-Cab 6.6L Duramax
- I spoke with my contact at Putco and she stated that the map lights included with PURE Premium LED Dome-Light Kit, # P980022, are wedge style 194 bulbs and they are available separately.
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- Tailgate Lock Options for a 2007 GMC Sierra Classic 2500HD
- There are several tailgate locks that will fit your 2007 GMC Sierra Classic. I have included a link to the available options for you. The Pilot Automotive Lock, # LH-003, that you have referenced will fit. I have included a link to a video review of the lock for you.
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- Will the Pop and Lock Custom Tail Gate Lock Fit on the 2007 GMC 2500 HD Pickup with Classic Body
- Yes, the Pop & Lock Custom Tailgate Lock, # PAL1100, will fit nicely on your 2007 GMC 2500HD pickup with classic body style. I have linked installation instructions for you to review.
I have also provided a link to all of the tailgate locks that we have available for the 2007 GMC Sierra Classic tailgate.
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- Availability of a Chrome Tailgate Lock for a 2007 GMC Sierra Classic
- We do have a tailgate lock in chrome for your 2007 GMC Sierra Classic, but the Pilot lock is not available in chrome.
You can instead use Pop and Lock Custom Tailgate Lock, # PAL1100C. This part is for a chrome lock, not the bezel. I have included a link to the installation details for you.
What you can do is add the Putco Chrome Tailgate Handle Cover, # P400017. This is a fit if the truck does not already have a lock. It will stick on with included 3M tape. I have included a link to the i
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- Can I Use A Bed Liner With CURT Quick Goose 2 Gooseneck Hitch # C630-652 on 2007 GMC Sierra
- The chrome collar and cap of the CURT Quick Goose 2 Gooseneck Hitch # C630-652, will be mounted flush to the steel bed of your 2007 GMC Sierra truck. The bed liner will need to have a 3-5/8 inch hole cut in it to fit around the gooseneck ball. You will not install the bed liner between the chrome collar and the steel truck bed, but around it.
CURT recommends removing the bed liner before installation and then replace it after determining the correct position for cutting the hole in it. This h
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- Towing Mirrors for 2007 GMC Envoy
- For your 2007 GMC Envoy, I would recommend either the CIPA Universal Strap-On Towing Mirror, part # 40375 or the CIPA Dual-View Clip-On Towing Mirror, part # 11953. These mirrors fit most factory mirrors, as long as they have the lip or ridge running around the edge of the mirror. The mirrors use clips and straps to attach, they need the lip running around the edge of the mirror to provide an attachment point.
There is no custom towing mirror available for your Envoy.
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- Diagnosing a N.C and C Code for a P2 Brake Controller on a 2007 GMC Sierra
- It sounds like somehow your Tekonsha Prodigy P2 Brake Controller # 90885 got put into electric over hydraulic mode based on the codes you are seeing.
To change over to regular electric brake mode you will need to start by pressing the Boost Button for 5 seconds while the brake pedal is pressed until (.r) displayed. While continuing to have the brake pedal pressed, momentarily release the Boost Button for less than one second and then press and continue to hold the boost button down for an add
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- Valley Custom Bracket Kit # V55340 Recommendation for a 2008 Dodge Ram 3500 Short Bed
- For just the installation kit without the rails you would need a Valley Custom Bracket Kit # V55340. This is a custom installation kit with everything you will need to install the Valley rails you have onto your 2008 Dodge Ram 3500.
I attached installation instructions for this product for you to check out also.
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- Can a 5th Wheel Trailer Hitch be Installed on a 2007 GMC 3500 Flatbed
- In order to install a 5th wheel trailer hitch on a flat bed, there are some alternate installation methods that must be followed. It will be a complete custom install that will need to be done by a qualified professional with experience doing these types of installations.
You can use # RP58430, but you will most likely need to provide your own hardware given that this is a custom installation.
The rails will need to be bolted and welding to a 1/2 inch steel plate. The hardware will need to
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- Ladder Bike Rack Comparison: Swagman Bike Rack # S80630 vs. Topline Bike Rack # BR1210
- The Swagman RV and Motorhome 2 Bike Carrier, part # S80630, and the Topline 2 Bike Carrier RV Ladder Mounted Bike Rack, part # BR1210, are very similar and share many great features.
I would be more inclined to purchase the # S80630 because it has reflectors on the ends of each of the arms, it has more padding on the rack to protect the ladder, and I prefer the style of strap that is used over the # BR1210.
You may also be interested in purchasing a 10 foot Long Cable Lock, part # CAB-10,
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- Will the Bully Bolt-On Billet Aluminum Grille # BG-457 Install on a 2007 GMC Sierra Crew Cab 1500
- As long as your 2007 GMC Sierra Crew Cab 1500 SL is the new body style then this Bully Bolt-On Billet Aluminum Grille, part # BG-457, will install on your vehicle. If you have the old body style it will not work.
The easiest way to differentiate between the new and old body style is the shape of the factory grill. If your grill is completely square then you have the old body style, if your grill is wider at the top and then tapers down and is skinnier at the bottom then you have a new body st
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- Trailer Brake Controller Port Location and Wire Functions on a 2007 GMC Sierra Classic
- If your 2007 GMC Sierra Classic 1500HD came with a factory installed 7-Way trailer connector, all you will need to do is to plug the 3015-P wiring harness into the factory port on the truck. This port is located in an electrical junction box under the dash and to the left of the brake pedal. Remove the cover and plug in 3015-P into the open port on the top row, second from the left. I have included an FAQ article that should help.
If the truck did not come with a factory 7-Way, you will still
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- How Many Pieces Come with Putco Chrome Door Handle Covers # P400016 for a 2007 GMC Sierra Classic
- I have included a link to the available trim kits for your 2007 GMC Sierra Classic 4-Door crew cab. We actually have numerous options available just in door handles alone. The correct Putco Chrome Door Handle Covers for your truck are included in part # P400016. The P401005 that you have referenced is for a Lincoln Aviator. In both cases, each one comes with a complete set of 4 handle covers.
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- Diagram Showing How Trailer Brakes are Wired
- The brake wire providing voltage is wired in parallel, with one lead from each magnet being grounded to the trailer frame.
We have a great Wiring Help Page that shows a diagram, I will provide a link to it below.
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- How to Alleviate Clicking Noise When Towing With Reese 18k Fifth Wheel Trailer Hitch 30081
- I spoke with my contact at Reese about the clicking noise you have been experiencing while towing, and they did confirm that the locking jaw is made to have some slack or play to allow for the pin to rotate, so it should not fit too tightly around the king pin.
To alleviate the clicking sound, the best approach would be to adjust your brake controller to ensure that the braking on your 2007 GMC Sierra and the braking on your trailer are as closely synced up as they can be. When you press the
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- Why is my Brake Controller Reading Overload and How Can I Find Where the Problem is?
- If your controller, item # 5500, is reading overload without the trailer connected then that means there is a short in the blue trailer feed wire on the vehicle.
If the controller is reading overload only when the trailer is connected then there is a short or overload in the trailer wiring or breaks.
Use a circuit tester, item # 3808 if you need one, to test the wiring to find out where the short is. If it is on the trailer end and you cannot find a wiring problem then the problem may be
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- Class V Titan Hitch on a 2007 GMC Sierra Classic with a Royal Utility Box
- This item is not designed for your application with a Royal utility box. It is designed for trucks with the standard 8 foot bed only. While the hitch may work, no testing has been done to confirm the proper fit and function. This means there may be underlying factors that could cause a dangerous situation. Also, your utility box may have supports or brackets that would interfere with the installation of the hitch or affect it's functionality. If I can be of further assistance let me know.
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