CURT 56471-INS-RA Custom Wiring Harness Instruction Manual
- June 13, 2024
- Curt
Table of Contents
56471-INS-RA Custom Wiring Harness
Instruction Manual
Level of Difficulty
Easy
Installation difficulty levels are based on time and effort involved and may
vary depending on the installer level of expertise, condition of the vehicle
and proper tools and equipment.
Electrical Ratings
Signal circuits | 3.0-amps per side |
---|---|
Tail / Running Circuits | 6.0-amps total |
Check vehicle owner’s manual or contact the vehicle manufacturer for more
information.
Wiring Location(s)
S1 and S2
*Wiring Location Guide for SUVs and Vans (S)**
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 center of rear bumper |
S7 | Behind passenger side rear bumper |
S8 | Under rear floor panel |
S9 | Behind driver side rear access panel |
S10 | Behind passenger side rear access panel |
* Representative vehicle shown
Tools Required|
---|---
Ratchet| Panel trim removal tool
Socket, 10mm| Small flathead screwdriver
Socket extension| Phillips screwdriver
WARNING
Do not exceed product rating or tow vehicle lamp load rating, whichever is
lower. The battery connection must be fuse-protected, 10-amp max. Exceeding
the product rating can cause loss of warranty, overheating and potential fire.
Product Photo Hardware PhotoNOTICE
Before you begin installation, read all instructions thoroughly.
Proper tools will improve the quality of installation and reduce the time
required. All steps must be followed to ensure the product will function
properly. Once installed, test for proper function by using a test light or
connecting a properly wired trailer.
Maintenance
Periodic inspection of all wires and connections should be performed to ensure
there is no visible damage or loose connections.
Step 1
Locate the vehicle battery and disconnect the negative battery terminal. Be
sure to fasten this wire down and away from the battery while completing the
installation process. Step 2
Open the tailgate all the way and raise the glass window in the open position.
Use a 10mm socket to remove the four bolts, two on each side, securing the
taillight trim in place. Step 3
Use a Phillips screwdriver to remove eight screw push fasteners, four on each
side securing the taillight trim in place.
Note: You may need a small flathead screwdriver to help back out the
push fastener screw. Adding a little pressure to the backside of the screw
will help the screw back out. Step 4
Remove the taillight trim straight out, starting at the bottom and working
your way up. Repeat on the other side of the vehicle.
Step 5
Locate the vehicle taillight wiring connectors. The connectors will be similar
to those on your new custom wiring product. Separate the connectors from the
taillight housing taking care not to damage the locking tabs. Repeat on the
other side of the vehicle. Step 6
Starting on the driver side, locate the custom wiring end with the yellow
wire. Route the yellow wire behind the taillight wiring and wrap the wire
around the rear bumper so that the connectors are above the bumper and the
black converter box is below the bumper.
Insert the custom wiring end with yellow wire between the separated
connectors. Make sure the connectors are fully inserted with locking tabs in
place. Route the wires up and behind the rear door seals that were removed in
steps 4 and 5. Step 7
Route the green wire over the driver-side frame rail and along the bumper.
Next, route the green wire over the passenger-side frame rail. Zip tie as
needed.
Repeat step 6 using the wire with the green wire to attach to the passengers
side tail light. Step 8
Adhere the black converter box using the provided double-sided tape and cable
ties (on the top side of the frame). Secure any loose wires with the provided
cable ties. Step 9
Locate a grounding point such as an existing screw or bolt in the frame of the
vehicle or drill a 3/32″pilot hole. The area should be free from rust, dirt,
and paint (abrasive pad/paper to remove rust and paint). Secure the white
ground wire with the ring terminal on the existing fastener or with the
provided ground screw.
CAUTION
Check for miscellaneous items that may be hidden behind or under any surface
before drilling to avoid damage and/or personal injuryStep 10
Route the 4-flat along the rear bumper and zip tie as needed. Mount the 4-flat
close to the receiver tube.
NOTICE
Once the custom wiring harness is installed, verify that the harness is
functioning by attaching the 4-flat to any vehicle with functioning trailer
lights. The taillights on the tow vehicle should function along with the
taillights on the towing vehicle. Step 11
Reinstall all items removed during install. If it was disconnected at the
beginning of the installation, reconnect the negative battery terminal.
Install the provided 4-flat dust cover to help prevent corrosion.
POWERED CONVERTER LEAD INSTRUCTION SHEET
NOTICE
Illustrations are for reference only. Battery location may differ depending
on the vehicle WARNING
Route 12 GA wire to vehicle battery location, taking care to avoid any
pinch points and hot or rotating components.
WARNING
To avoid personal injury or property damage, check for miscellaneous items
that may be behind or under any surface before drilling.
NOTICE
- This converter system is to be used only on 12 volt negative ground systems.
- Secure power wire to vehicle chassis using cable ties provided.
- When passing the power wire through sheet metal, use an existing grommet, add a grommet or use silicone to protect the power wire from sharp edges.
- Overall T-connector design may differ from illustration. The illustration should be used for power lead instruction only. Illustration is not to scale.
Green – Right turn
Red – Brake
Yellow – Left turn
Brown – Taillight
Vert – Clignotant droit
Rouge – Ferin
Jaunet – Clignotant gauche
56471-INS-RA
02/22/2022
ECN9237
PAGE 6 OF 6
Documents / Resources
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56471-INS-RA Custom Wiring
Harness
[pdf] Instruction Manual
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Wiring Harness, Harness
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