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Expert Answers about Lexus RX 350


  • Adapter Needed for Curt Echo Trailer Brake Controller On 2019 Lexus RX 350
  • In order to install the Curt Echo Wireless Trailer Brake Controller part # C51180 on a 2019 Lexus RX 350 with 4-way trailer wiring harness you only need the Wireless Brake Controller Install Kit part # ETBC7L which is super easy to install. Simply attach the two 4-ways together, ground the white wire, then run the black power wire up to the battery in the engine bay and that's it. This is a great controller option due to not having to drill into the dash and not having to splice into any wires
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  • Compatible Kat's Engine Block Heater For A 2009 Lexus RX 350 3.5L Engine
  • The correct fit for your 2009 Lexus RX 350 is the Kat's Heaters Custom Fit Engine Block Heater - Cartridge Style - 120V - 400 Watts # KH11813. The correct installation location in your engine is the "LF" position.
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  • Installation Differences Among Available Trailer Hitches for a 2011 Lexus RX350
  • According to the instructions for CURT Trailer Hitch, # C13143 installation, lowering the exhaust is optional if you have a hard time getting the hitch into position (see page 7 in the instructions I have linked). The CURT hitch is shaped in such away that on the passenger side, you may be able to maneuver the hitch up and around the muffler to get it in position. The other hitches have a different shape and will more than likely require lowering the exhaust and repositioning of the exhaust...
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  • What is the Purpose of the Power Wire for the Tow Ready Wiring Kit on a 2012 Lexus RX350
  • You are on the right track as to why there is a dedicated power wire for the Tow Ready Trailer Harness # 118478. The reason for the power wire is too prevent the delicate tail light circuits of your 2012 Lexus RX350 from being overloaded and popping fuses or damaging the circuits all together. Running the power wire to the front of a vehicle is not too difficult. I just did it on my car the other weekend and it was pretty straightforward. I attached an FAQ article on this for you to check...
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  • Does Draw Tite Hitch 75540 for the 2021 Lexus RX350 Require Fascia Trimming
  • There's a possibility you could add enough washers to the install hardware of the Draw Tite hitch part # 75540 to allow it to fit under the rear bumper without trimming but since that would void the warranty of the hitch we cannot recommend that. Fascia trimming for hitch installs is very common, and in this application the area would be almost totally out of sight.
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  • How to Install a Brake Controller on a 2008 Lexus RX 350 with Factory Towing Package
  • In order to install a brake controller like the Curt Venturer, # C74VV, on your 2008 Lexus RX 350, you will need to hardwire it in. There isn't a plug-in harness available for your vehicle. The first thing you will need is a 4-Way flat trailer connector, # 18002, unless your Lexus already has one. I have linked a video showing how it installs. After the 4-Way is installed, or if the vehicle already has a 4-Way, you will need to install a 7-Way. Use # ETBC7 which comes with the 7-Way and...
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  • Troubleshooting T-One Wiring Harness Connection for a 2013 Lexus RX 350 with Factory Plugs
  • It sounds like you're describing the T-One Vehicle Wiring Harness for Factory Tow Package # 118252 and how it connects to a 2013 Lexus RX 350. With these types of connections you might need to remove a dummy plug for the T-One to install correctly. If you have some photos of the connection I can take a look if you send them to me. I'm also attaching an installation video of this harness on a 2013 Lexus RX 350 for you to check out as well.
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  • Where is the Trailer Fuse on a 2021 Lexus RX 350?
  • You are looking for the rear tail light fuse on your 2021 RX 350. The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector item # C56217 connects in line with your rear tail lights to power your trailer harness. I have attached a picture of the fuse box cover for your vehicle. The fuse is marked tail and it is 8 down on the right hand side of the diagram.
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  • Will Curt Hitch # C13143 Interfere with Electronics on a 2013 Lexus RX 350 When Installed
  • The Curt Hitch # C13143 that you referenced will fit your 2013 Lexus RX350.The picture shows what the hitch will look like on the back of your vehicle - the receiver opening is about flush with the bumper. In the installation instructions that are attached, step 12 notes that if you do not have the F-Sport model your tow loops can be re-installed. If you do have the F-sport model then the tow loops cannot be re-installed. The installation will not interfere with your electronics of your...
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  • Recommendation for Bike Rack that is Easy to Install and Remove
  • Installing and removing the Swagman XC 2-Bike Rack # S64650 will require you to screw in and unscrew the threaded anti-rattle hitch pin that it comes with in order to install and remove it from a hitch such as the Curt # C13272 that fits your 2018 Lexus RX 350, and this would also be true if you wanted to lock your rack to your hitch with the Anti-Rattle Hitch Lock and Cable for Swagman Bike Racks # S64031. It is not a difficult process and the minimal time you'll spend doing this is a...
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  • Torque Rating for M12 Hardware on Curt C13143 Hitch Installation on 2015 Lexus RX350
  • Because the torque ratings can change according to the nature of the hardware that Curt sources, we don't publish the torque ratings in case they should change. I've linked to the current installation instructions for the Curt # C13143, the correct torque ratings are listed on page 5, step # 13. If you'll be towing with the hitch, you'll also need a trailer wiring harness like # 118252 for vehicles with the tow package or # 119250KIT for vehicles without the tow package. You'll also need...
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  • Can Kat's Heaters Thermal Battery Wrap # KH22300 be Used for Extended Periods of Time
  • Yes, you can keep the Kat's Heaters Thermal Battery Wrap # KH22300 plugged in for an extended period of time like you mentioned.
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  • Is Rear Damper of 2016 Lexus RX 350 F Sport Removed for Hitch Install
  • Since the Curt Hitch part # C13272 installs by simply raising up into position at the rear of your vehicle and then bolting it into place there would be no need for you to remove the rear damper or any body panels to installation. If you wanted to do some towing you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes a 1-7/8 inch ball, 2 inch ball, hitch...
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  • Trailer Wiring Harness Installation Location on a 2010 Lexus RX 350 with Factory Tow Package
  • The connection point for trailer wiring harness # 56083 is located behind the rear bumper, on the driver side. I have included a picture and a link to the instructions that show this for you. That connection point may be there even if the vehicle does not have the factory tow package. The easiest way to determine how the vehicle is equipped is to call a dealer service department and have them run the VIN through their system. They can tell you if you have the tow package or not. If you...
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  • Installation of Trailer Wiring Harness on a 2007 Lexus RX-350
  • I do not have the Valley wiring harness # 30226 for your 2007 Lexus RX-350 so I am not familiar with their instructions on the wiring harness, but it sounds similar to the Tow Ready T-One Connector Wiring Harness, part # 118478, that we carry for your vehicle. The Tow Ready wiring harness draws power directly from the vehicles battery via an in-line fuse so your electrical system is safe. Part # 118478 is designed this way to protect your electrical system. There would only be a slight...
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  • Where Does Engine Block Heater Install in 2013 Lexus RX 350 with 3.5L V6 Engine
  • I checked with Kat's and the Kat's Heaters Custom Fit Engine Block Heater # KH11813 that fits your 2013 Lexus RX 350 will install in the left front position, as indicated in the cut out of the manual I attached. Kat's does recommend coating the cartridge with NSCG silicone grease G-624 before inserting it into the block. I have added links to a couple video reviews of this heater for you to check out as well.
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  • What to Do with Excessive Links from Installing Tire Chains
  • Titan recommends removing excessive links from their chains to prevent damage like you mentioned. There wouldn't be a reliable way to clip them out of the way either as there would be a chance it would come undone and beat up your vehicle.
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  • Adding a 4-Way Trailer Wiring Harness to a 2009 Lexus RX 350 without Factory Tow Package
  • Since your 2009 Lexus RX 350 does not have the factory tow package there is actually an easier solution to adding a 4-Way flat connector. You can use T-One harness # 118478. It plugs in line with the vehicle tail light wiring and requires a direct connection to the vehicle battery to power the trailer lights and protect the vehicle electrical system. I linked a video showing how it installs. Harness # 18002 would not work on a model without the factory tow package. The reason is that with...
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  • Is Trimming Required to Install Curt Hitch C13272 on 2016 Lexus RX350 F Sport
  • The Curt 2-inch Class III hitch # C13272 is a confirmed fit on your 2016 Lexus RX 350 F Sport version and Curt rates this installation as being pretty easy since it is a no-drill fit. I reviewed the installation instructions on their website and they confirm this hitch mounts without drilling and without any trimming of cosmetic panels. All tools required are also indicated in the instructions. A helpful article and installation video are linked to assist your install.
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  • Solution for Finding Stoplight Circuit for 2009 Lexus RX 350
  • We don't have the exact wire you'd need to use but we can tell you that you can use a circuit tester like part # PTW2993 to test all of the wires that run to the brake switch till you find a circuit that has voltage only when the brakes are applied.
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