For 2023‑2024 Lexus RX500h Trailer Hitch + Wiring 5 Pin Fits All Models Curt 13579 2 inch Tow Receiver
Model: 13579 59236 57187 58303-CH2713This Trailer Tow Hitch + 5-Flat Fits The Following Vehicles:
2023 - 2024 Lexus RX500h All Models
This Trailer Tow Hitch + 5-Flat Includes the Following Parts:
- Class 3 Trailer Hitch, 2" Receiver (Easy Bolt-On, No Drilling)
- Multi-Function Taillight Converter Kit (Requires Splicing)
- 4-Way to 5-Way Flat Install Kit for Boat Trailer Surge and Connector Mounting Bracket for 5-Way Flat
- Installation instructions, schematics, diagrams, and hardware (if required).
List of Fitment Years:
2023, 2024
CURT 13579 Class 3 Trailer Hitch, 2-Inch Receiver
Manufactured by: Curt
Whatever your task at hand -- whether it's launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close -- CURT class 3 trailer hitches offer the strength needed for serious towing They make it easy to hitch up and Bring It, offering a vehicle-specific fit and the weight capacity to handle a variety of trailers Custom class 3 hitches are the most common type of receiver hitch for pickup trucks and SUVs.
Because of their weight range, they are also found on full-size cars, crossovers and minivans Each custom-fit class 3 hitch package is made for vehicle-specific mounting This particular kit fits certain years of the Lexus RX350, RX350h and RX500h (see application info to verify vehicle compatibility).
It provides a weight carrying capacity of 3,500 lbs GTW and 350 lbs TW.
CURT class 3 trailer hitches are typically used to attach and haul utility trailers, boat trailers, campers, snowmobile or ATV haulers and more (NOTE: Never exceed the lowest-rated towing component) Each class 3 hitch has a 2" receiver tube and is tested in accordance with SAE J684 for safety To ensure that CURT class 3 receiver hitches have what it takes for serious trailering, they are designed using a hands-on approach and are constructed with rugged, high-strength steel and precise welding.
We also protect our class 3 hitches in a co-cured finish of liquid A-coat and black powder coat for superior resistance to rust, chipping and UV damage..
Features:
- Rated to 3,500 lbs. gross trailer weight and 350 lbs. tongue weight
- Engineered with a vehicle-specific design for a custom fit
- Concealed main body for OE look and seamless integration with the vehicle
- Tested for safety in accordance with SAE J684
- Precisely welded for superior strength and fit
- Protected by a durable high-gloss black powder coat finish
- Co-cured in a rust-resistant liquid A-coat, inside and out
- Equipped with an open-back receiver for easy cleaning
- Limited lifetime warranty (one-year finish, one-year parts)
- Made in USA (may include imported hardware)
CURT 59236 Weather-Resistant Multi-Function Splice-in Trailer Tail Light Converter Kit, 4-Pin Wiring Harness
Manufactured by: Curt
Rain, road grime and salt can deal a vicious blow to your trailer wiring, and it takes electrical components with an extra-thick shell to stand up to the elements The CURT multi-function electrical converter is an advanced taillight converter that offers the ultimate in vehicle compatibility and weather resistance, giving you a reliable wiring connection any season of the year The potted design seals the internal electrical components in a watertight enclosure and is filled with a solid compound to protect against impacts, vibrations and moisture for long-lasting use, even on the exterior of the vehicle.
The converter also features our advanced surface mount technology (SMT), using smaller components mounted directly to the surface of the circuit board This produces lower resistance, reduced heat generation, longer life cycles and higher reliability The CURT multi-function electrical converter comes with pigtail wires that are able to be spliced into two-wire, three-wire or PWM wiring system with combined stop and taillights.
It converts any of these systems to a simple two-wire system, using a standard 4-way flat output, to be compatible with most trailer wiring The converter is controlled using a microprocessor that is able to sense the current passing through it, allowing for quick reaction to dangerous conditions such as overload and short circuits It also filters unwanted input signals to protect your wiring systems and uses a mere seven volts for low-voltage operation.
The CURT multi-function taillight converter is a heavy-duty electrical converter for virtually any vehicle-trailer combination It comes with color-coded wires and an easy-to-read wiring guide, as well as a dust cover to protect the 4-way flat connector This package includes a powered converter wiring kit #55152 and four snap locks for faster, more secure splicing..
Features:
- Converts 2-wire, 3-wire or PWM ST system to 2-wire trailer light wiring
- Potted enclosure significantly increases water and vibration resistance
- 4-way flat output connects tail lights, brake lights and turn signals
- Constructed with SMT circuitry for better performance and durability
- Microcontroller senses current to rapidly react to overload
- Provides improved overload, short-circuit and thermal protection
- Low-voltage operation allows function down to seven volts
- Color-coded wires with wiring guide for easier installation
- Included wiring kit allows for a convenient connection to the vehicle battery
- Snap locks included for fast, secure splicing
- Dust cover included to keep connector clean when not in use
CURT 57187 4-Way to 5-Way Flat Adapter for Boat Trailer Surge Brakes and CURT 58303 Vehicle-Side Trailer Wiring Harness Mounting Bracket for 5-Way Flat
Manufactured by: Curt
CURT electrical connector brackets provide a simple solution for mounting wiring to your trailer hitch on the rear of your vehicle Connector wires can be a nuisance when they are just lying around; they can get tangled up with cargo and even damaged An electrical connector left to hang off the back end of your vehicle is an even greater hazard.
Secure, protect, and optimize the use of your electrical connector by mounting it with a CURT connector bracket This trailer wire connector bracket is designed to hold a 5-way flat socket It features sturdy steel construction with a black finish and can be mounted on your vehicle or trailer hitch using the included hardware.
This electrical adapter is designed to adapt a 4-way flat vehicle socket to fit a 5-way flat trailer plug It is specifically intended for boat trailers with surge brakes, adding in a fifth wire for the reverse lights and allowing your vehicle's 4-way flat to easily plug into your boat trailer 5-way flat This boat trailer wiring adapter features durable molded plastic construction and requires some splicing.
All CURT wiring and electrical products come with a one-year limited warranty to give you the assurance you need to tow with confidence..
Features:
- Adapts vehicle 4-way flat to plug into boat trailer 5-way flat
- Intended for boat trailers with surge brakes
- Fifth wire splices in to connect reverse lights
- Adapts 4-way flat vehicle socket to fit 5-way flat trailer plugs
- Durable molded plastic housing resists corrosion
- Securely mounts a 5-way flat connector socket
- Allows for attachment to the vehicle or trailer hitch
- Constructed from high-strength steel
- Protected by a durable black powder coat finish
Hitches Near Me: We operate out of several warehouses across the country, ensuring faster delivery to your location.
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Product Details
- Brand: Curt
- Model: 13579 59236 57187 58303-CH2713
- Includes: Class 3 Trailer Tow Hitch, Multi-Function Taillight Converter Kit, 4-Way to 5-Way Flat Adapter for Boat Trailer Surge Brakes, Connector Mounting Bracket for 5-Way Flat
Compatibility Chart
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For 2023-2024 Lexus RX500h Trailer Hitch + Wiring 5 Pin Fits All Models Curt 13579 2 inch Tow Receiver Install Notes
Installation Instructions for Lexus RX350, RX350h, RX500h
Part Numbers:
- 13579
Tools Required:
- Ratchet
- Torque wrench
- Socket (19mm)
- Flathead screwdriver
- Exhaust isolator removal tool
Step 1: Remove frame rail plugs
- Remove the four (4) plastic plugs from the sides of the frame rails (two on each side).
Step 2: Temporarily lower the exhaust (if required)
- For some models, unhook the three (3) rearmost exhaust hangers to lower the exhaust.
- Support the exhaust to prevent damage or injury.
Step 3: Install the hitch
- Raise the hitch into position.
- Secure it using the four (4) hex bolts (#1) and conical-toothed washers (#2).
Step 4: Torque all hardware
- Torque all M12 fasteners to 86 ft-lbs.
Step 5: Reinstall the exhaust
- If the exhaust was lowered, raise it back into position and reinstall the isolators.
Hardware List:
- (4) Hex bolts, M12 x 1.25 (#1)
- (4) Conical-toothed washers, 1/2" (#2)
Safety Notes:
- Always wear safety glasses during installation.
- Never exceed the vehicle manufacturer's recommended towing capacity.
- Periodically inspect the hitch to ensure all mounting hardware is tight and secure.
Specifications:
- Gross Trailer Weight (GTW): 3,500 lbs.
- Tongue Weight (TW): 350 lbs.
- Torque Specification: 86 ft-lbs.
Installation Instructions
Part Numbers:
- 13579
Tools Required:
- Ratchet
- Torque wrench
- Socket (19mm)
- Flathead screwdriver
- Exhaust isolator removal tool
Step-by-Step Instructions:
Step 1: Remove frame rail plugs
- Remove the four (4) plastic plugs from the sides of the frame rails (two on each side).
Step 2: Temporarily lower the exhaust (if required)
- For some models, unhook the three (3) rearmost exhaust hangers to lower the exhaust.
- Support the exhaust to prevent damage or injury.
Step 3: Install the hitch
- Raise the hitch into position.
- Secure it using the four (4) hex bolts (#1) and conical-toothed washers (#2).
Step 4: Torque all hardware
- Torque all M12 fasteners to 86 ft-lbs.
Step 5: Reinstall the exhaust
- If the exhaust was lowered, raise it back into position and reinstall the isolators.
Hardware List:
- (4) Hex bolts, M12 x 1.25 (#1)
- (4) Conical-toothed washers, 1/2" (#2)
Safety Notes:
- Always wear safety glasses during installation.
- Never exceed the vehicle manufacturer's recommended towing capacity.
- Periodically inspect the hitch to ensure all mounting hardware is tight and secure.
Specifications:
- Gross Trailer Weight (GTW): 3,500 lbs.
- Tongue Weight (TW): 350 lbs.
- Torque Specification: 86 ft-lbs.
Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
For Technical Support: For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
Warranty:
This product comes with a limited warranty of [X] years. Coverage includes defects in materials and workmanship under normal use. For complete warranty instructions, please download the full installation PDF.
Installation Instructions for Wiring Harness with Powered Converter
Part Numbers:
- 59236
Wiring Access Location:
Refer to the wiring location guides based on vehicle type provided in the manual:
SUVs and Vans:
- S1: Behind driver-side taillight housing
- S2: Behind passenger-side taillight housing
- S3: Behind driver-side rear access panel
- S4: Behind passenger-side rear access panel
- S5: Behind driver-side rear bumper
- S6: Behind the center of the rear bumper
- S7: Behind passenger-side rear bumper
- S8: Under rear floor panel
Passenger Cars:
- P1: Behind driver-side taillight housing, outside of the trunk
- P2: Behind passenger-side taillight housing, outside of the trunk
- P3: Behind driver-side taillight housing, inside the trunk
- P4: Behind passenger-side taillight housing, inside the trunk
- P5: Behind driver-side rear bumper
- P6: Behind the center of the rear bumper
- P7: Behind passenger-side rear bumper
Trucks:
- T1: Behind driver-side taillight housing
- T2: Behind passenger-side taillight housing
- T3: Behind driver-side rear bumper
- T4: Behind the center of the rear bumper fascia
- T5: Behind passenger-side rear bumper
Determining Vehicle Wiring Types:
To identify the vehicle wiring type, follow these steps:
- Ensure all lights on the vehicle are off.
- Probe the taillight connectors while they remain connected to the vehicle.
- Use the following wiring descriptions to determine the vehicle type:
Wiring Types:
-
Two-Wire System:
- Combined stop and turn signal with an independent tail signal.
- Indicator: Flashing signal on one side for turn signals; both sides activate for brakes.
-
Three-Wire System:
- Independent stop, turn, and tail signals.
- Indicator: Separate wires for turn signals and brake lights.
-
PWM-ST System:
- Combined stop and tail signal with an independent turn signal.
- Indicator: Stop and tail signals use the same wire; separate turn signal wires.
-
PWM-STT System:
- Combined stop, turn, and tail signal.
- Indicator: A single wire serves stop, turn, and tail functions.
Tools Required:
- Test light
- Utility knife
- Electrical tape
- Wire crimper
- Paper
- Wire stripper
- Pen
Step-by-Step Instructions:
-
Locate the Vehicle Battery
- Disconnect the negative battery terminal securely.
-
Identify Vehicle Taillight Wiring
- Use the wiring location guide and instructions for determining the wiring type.
-
Attach the Input Wires
- Match wires using snap locks:
- Green Wire: Splice to the right stop/turn wire.
- Red Wire: Ground with the white wire.
- Yellow Wire: Splice to the left stop/turn wire.
- Brown Wire: Splice to the tail wire.
- Match wires using snap locks:
-
Mount the Converter
- Secure the black converter box near the taillight using the provided double-sided tape.
-
Ground the White Wire
- Use the ring terminal and provided screw to ground the wire at a clean, rust-free location.
-
Route the Power Wire
- Route the black wire to the positive battery terminal, avoiding pinch points or hot components.
-
Install the Fuse
- Add the 15-amp fuse after completing all other steps.
-
Test the System
- Verify turn signals, brake lights, and tail lights using a test light or trailer.
-
Reinstall Components
- Reinstall all removed parts and reconnect the negative battery terminal.
Hardware List:
- Snap locks
- 15-amp fuse and holder
- Ring terminal
- Cable ties
- Double-sided tape
Safety Notes:
- Do not exceed product or tow vehicle lamp load ratings.
- Inspect all wiring periodically for damage or loose connections.
- Avoid drilling without confirming there are no hidden items behind the surface.
Specifications:
- Signal Circuits: 5.0-amps per side
- Tail/Running Circuits: 7.5-amps total
- Compliance: SAE J684
Installation Instructions for Wiring Harness with Powered Converter
Part Numbers:
- 59236
Wiring Access Location:
Refer to the wiring location guides based on vehicle type provided in the manual:
SUVs and Vans:
- S1: Behind driver-side taillight housing
- S2: Behind passenger-side taillight housing
- S3: Behind driver-side rear access panel
- S4: Behind passenger-side rear access panel
- S5: Behind driver-side rear bumper
- S6: Behind the center of the rear bumper
- S7: Behind passenger-side rear bumper
- S8: Under rear floor panel
Passenger Cars:
- P1: Behind driver-side taillight housing, outside of the trunk
- P2: Behind passenger-side taillight housing, outside of the trunk
- P3: Behind driver-side taillight housing, inside the trunk
- P4: Behind passenger-side taillight housing, inside the trunk
- P5: Behind driver-side rear bumper
- P6: Behind the center of the rear bumper
- P7: Behind passenger-side rear bumper
Trucks:
- T1: Behind driver-side taillight housing
- T2: Behind passenger-side taillight housing
- T3: Behind driver-side rear bumper
- T4: Behind the center of the rear bumper fascia
- T5: Behind passenger-side rear bumper
Determining Vehicle Wiring Types:
To identify the vehicle wiring type, follow these steps:
- Ensure all lights on the vehicle are off.
- Probe the taillight connectors while they remain connected to the vehicle.
- Use the following wiring descriptions to determine the vehicle type:
Wiring Types:
-
Two-Wire System:
- Combined stop and turn signal with an independent tail signal.
- Indicator: Flashing signal on one side for turn signals; both sides activate for brakes.
-
Three-Wire System:
- Independent stop, turn, and tail signals.
- Indicator: Separate wires for turn signals and brake lights.
-
PWM-ST System:
- Combined stop and tail signal with an independent turn signal.
- Indicator: Stop and tail signals use the same wire; separate turn signal wires.
-
PWM-STT System:
- Combined stop, turn, and tail signal.
- Indicator: A single wire serves stop, turn, and tail functions.
Tools Required:
- Test light
- Utility knife
- Electrical tape
- Wire crimper
- Paper
- Wire stripper
- Pen
Step-by-Step Instructions:
-
Locate the Vehicle Battery
- Disconnect the negative battery terminal securely.
-
Identify Vehicle Taillight Wiring
- Use the wiring location guide and instructions for determining the wiring type.
-
Attach the Input Wires
- Match wires using snap locks:
- Green Wire: Splice to the right stop/turn wire.
- Red Wire: Ground with the white wire.
- Yellow Wire: Splice to the left stop/turn wire.
- Brown Wire: Splice to the tail wire.
- Match wires using snap locks:
-
Mount the Converter
- Secure the black converter box near the taillight using the provided double-sided tape.
-
Ground the White Wire
- Use the ring terminal and provided screw to ground the wire at a clean, rust-free location.
-
Route the Power Wire
- Route the black wire to the positive battery terminal, avoiding pinch points or hot components.
-
Install the Fuse
- Add the 15-amp fuse after completing all other steps.
-
Test the System
- Verify turn signals, brake lights, and tail lights using a test light or trailer.
-
Reinstall Components
- Reinstall all removed parts and reconnect the negative battery terminal.
Hardware List:
- Snap locks
- 15-amp fuse and holder
- Ring terminal
- Cable ties
- Double-sided tape
Safety Notes:
- Do not exceed product or tow vehicle lamp load ratings.
- Inspect all wiring periodically for damage or loose connections.
- Avoid drilling without confirming there are no hidden items behind the surface.
Specifications:
- Signal Circuits: 5.0-amps per side
- Tail/Running Circuits: 7.5-amps total
- Compliance: SAE J684
Additional Information:
- Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
Technical Support:
- For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
Warranty:
- Warranty Duration: [Insert warranty period]
- Coverage Details: [Insert coverage details]
- For complete warranty information, please download the full installation PDF.
Note: Ensure all connections are secure and test the wiring with a properly wired trailer or test light to confirm functionality.
Installation Instructions for 4-Way to 5-Way Adapter
Tools Required:
- Wire Crimpers
- Wire Cutters
- Test Light or Multimeter
- Quick Splice Connector (provided)
- Additional Wire (if needed for reverse light connection)
- Cable Ties (optional)
- Silicone Sealant (optional)
Overview:
This adapter converts your 4-way flat trailer connector to a 5-way flat, adding reverse light functionality for trailers with reverse lights or surge brake lockout systems.
Step-by-Step Instructions:
1. Mount the Adapter:
- Select a suitable mounting location near the hitch and securely install the adapter.
2. Connect the 4-Way Plug:
- Plug the 4-way flat connector from the adapter into the existing 4-way flat connector on your vehicle.
- This connection provides tail lights, left turn, right turn, and brake light functions.
3. Ground the Adapter:
- Locate a solid ground point near the adapter, such as the vehicle frame.
- Clean the surface to ensure proper contact.
- Secure the white ground wire from the adapter using the provided eyelet and a self-tapping screw.
4. Connect the Reverse Light Circuit:
-
Locate the Reverse Light Wire:
- Identify the reverse light circuit on your vehicle, typically found near the tail light assembly.
- Use the provided quick splice connector to attach the adapter's blue wire to the vehicle’s reverse light circuit.
-
Extend the Blue Wire (If Needed):
- If the adapter's blue wire is too short, splice in additional wire to reach the reverse light circuit.
- Route the wire safely, avoiding hot or moving parts, and secure it with cable ties.
-
Seal the Connection:
- If routing the wire through a grommet, seal any openings with silicone to prevent water ingress.
5. Secure the Wiring:
- Use cable ties to secure all wires and prevent them from hanging loosely or contacting sharp edges.
6. Test the Adapter:
- Plug the adapter into your trailer’s 5-way flat connector or use a test light to verify functionality:
- Brown Wire: Tail lights (solid when headlights are on).
- Yellow Wire: Left turn signal and brake light (flashes with turn signal).
- Green Wire: Right turn signal and brake light (flashes with turn signal).
- Blue Wire: Reverse light (active when the vehicle is in reverse).
- White Wire: Ground (continuity with the vehicle's ground).
Notes:
- This adapter is designed specifically for trailers requiring a reverse light or surge brake lockout circuit.
- Ensure all connections are secure to avoid intermittent functionality.
- Always follow safety guidelines during installation and verify all circuits before use.
Warning: Improper installation or overloaded circuits can result in damage or fire. Test all connections carefully.
Installation Instructions for 4-Way to 5-Way Adapter
Tools Required:
- Wire Crimpers
- Wire Cutters
- Test Light or Multimeter
- Quick Splice Connector (provided)
- Additional Wire (if needed for reverse light connection)
- Cable Ties (optional)
- Silicone Sealant (optional)
Overview:
This adapter converts your 4-way flat trailer connector to a 5-way flat, adding reverse light functionality for trailers with reverse lights or surge brake lockout systems.
Step-by-Step Instructions:
1. Mount the Adapter:
- Select a suitable mounting location near the hitch and securely install the adapter.
2. Connect the 4-Way Plug:
- Plug the 4-way flat connector from the adapter into the existing 4-way flat connector on your vehicle.
- This connection provides tail lights, left turn, right turn, and brake light functions.
3. Ground the Adapter:
- Locate a solid ground point near the adapter, such as the vehicle frame.
- Clean the surface to ensure proper contact.
- Secure the white ground wire from the adapter using the provided eyelet and a self-tapping screw.
4. Connect the Reverse Light Circuit:
-
Locate the Reverse Light Wire:
- Identify the reverse light circuit on your vehicle, typically found near the tail light assembly.
- Use the provided quick splice connector to attach the adapter's blue wire to the vehicle’s reverse light circuit.
-
Extend the Blue Wire (If Needed):
- If the adapter's blue wire is too short, splice in additional wire to reach the reverse light circuit.
- Route the wire safely, avoiding hot or moving parts, and secure it with cable ties.
-
Seal the Connection:
- If routing the wire through a grommet, seal any openings with silicone to prevent water ingress.
5. Secure the Wiring:
- Use cable ties to secure all wires and prevent them from hanging loosely or contacting sharp edges.
6. Test the Adapter:
- Plug the adapter into your trailer’s 5-way flat connector or use a test light to verify functionality:
- Brown Wire: Tail lights (solid when headlights are on).
- Yellow Wire: Left turn signal and brake light (flashes with turn signal).
- Green Wire: Right turn signal and brake light (flashes with turn signal).
- Blue Wire: Reverse light (active when the vehicle is in reverse).
- White Wire: Ground (continuity with the vehicle's ground).
Notes:
- This adapter is designed specifically for trailers requiring a reverse light or surge brake lockout circuit.
- Ensure all connections are secure to avoid intermittent functionality.
- Always follow safety guidelines during installation and verify all circuits before use.
Warning: Improper installation or overloaded circuits can result in damage or fire. Test all connections carefully.
Warranty Information:
For complete warranty instructions, please download the full installation PDF.
For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
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