CURT 56421 Custom Wiring Connector Instruction Manual

CURT 56421 Custom Wiring Connector

Product Information

Product Name: Installation Manual
Level of Difficulty : Moderate

Electrical Ratings:

• Signal circuits: 3.0 amps per side
• Tail / Running Circuits: 6.0-amps total

Product Photo:
Wiring Location Guide for SUVs and Vans (S):

• S1 Behind driver-side taillight housing
• S2 Behind passenger side taillight housing
• S3 Behind the driver-side rear access panel
• S4 Behind the passenger side rear access panel
• S5 Behind the driver-side rear bumper
• S6 Behind the center of the rear bumper
• S7 Behind the passenger side rear bumper
• S8 Under the rear floor panel
• S9 Behind driver-side rear access panel
• S10 Behind the passenger side rear access panel

Tools Required:

• Socket, 8mm
• Socket extension
• Panel trim removal tool
• Small flat-head screwdriver
• Ratchet
• Cutting tool
• Large Phillips screwdriver
• Impact screwdriver with large Phillips head

Maintenance:
Periodic inspection of all wires and connections should be performed to ensure there is no visible damage or loose connections.

Product Registration and Warranty:
CURT Group stands behind our products with industry-leading warranties. Provide feedback and help us to improve our products by registering your purchase at: warranty.curtgroup.com/surveys

Product Usage Instructions

Step 1: Locate the vehicle battery

1. Look up the battery location in the owner’s manual of your vehicle.
2. Disconnect the negative battery terminal.
3. Be sure to fasten this wire down and away from the battery when completing the installation process.
4. If installing on a Honda Pilot, proceed to step 2A. If installing on a Honda Passport, proceed to step 2B on page four.

Step 2A – Pilot

1. Open the rear hatch, fold down the rear seats, and remove the floor coverings.

Step 3A – Pilot

1. Remove the spare tire tool kit access panel on the driver’s side and remove the jack.

Step 4A – Pilot

1. Remove the access panel to the fuel funnel.

Step 5A – Pilot

1. Remove the rear seat trim to release the fasteners by lifting up at the bottom and pulling to the rear of the vehicle.

Step 6A – Pilot

1. Unfold the rear seats.
2. From the driver-side third-row rear seat, remove the elastic band that is attached to the lower seat, wrapped around the seatbelt latch (female side).

Step 7A – Pilot

1. Reach between the back of the seat and the seat and pull towards the front of the vehicle to reveal a grommet with several wires.
2. Pull this grommet out.

Level of Difficulty

• Moderate

Electrical Ratings

• Signal circuits 3.0-amps per side
• Tail / Running Circuits 6.0-amps total

Check the vehicle owner’s manual or contact the vehicle manufacturer for more information.

Wiring Location(s)

• S3

*Wiring Location Guide for SUVs and Vans (S)**

• S1 Behind driver side taillight housing

• S2 Behind passenger side taillight housing

• S3 Behind the driver side rear access panel

• S4 Behind the passenger side rear access panel

• S5 Behind driver side rear bumper

• S6 Behind the center of the rear bumper

• S7 Behind the passenger side rear bumper

• S8 Under the rear floor panel

• S9 Behind driver side rear access panel

• S10 Behind the passenger side rear access panel

• Representative vehicle shown

Tools Required

• Socket, 8mm Ratchet
• Socket extension Cutting tool
• Panel trim removal tool Large Phillips screwdriver
• Small flat head screwdriver Impact screwdriver with large Phillips head

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.
• Do not lay tools across the positive terminal (typically labeled with red covers or a red “+” symbol). This can cause a ground to short causing sparks, and / or electrical shocks.

Hardware Photo

NOTICE

• 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.

Product Registration and Warranty

• CURT Group stands behind our products with industry-leading warranties.
• Provide feedback and help us to improve our products by registering your purchase at: warranty.curtgroup.com/surveys

INSTALLATION INSTRUCTIONS

Step 1

• Locate the vehicle battery. Look up the battery location in the owner’s manual of your vehicle. Disconnect the negative battery terminal. Be sure to fasten this wire down and away from the battery when completing the installation process.
• If installing on a Honda Pilot, proceed to step 2A.
• If installing on a Honda Passport, proceed to step 2B on page four.

Step 2A – Pilot

• Open the rear hatch, fold down the rear seats, and remove the floor coverings.

Step 3A – Pilot

• Remove the spare tire tool kit access panel on the driver side and remove the jack.

Step 4A – Pilot

• Remove the access panel to the fuel funnel.

Step 5A – Pilot

• Remove the rear seat trim to release the fasteners by lifting up at the bottom and pulling to the rear of the vehicle.

Step 6A – Pilot

• Unfold the rear seats. From the driver-side third row rear seat, remove the elastic band that is attached to the lower seat, wrapped around the seatbelt latch (female side).

Step 7A – Pilot

• Reach between the back of the seat and the seat and pull towards the front of the vehicle to reveal a grommet with several wires. Pull this grommet out.

Step 8A – Pilot

• Install the red 10-amp fuse from the bag kit into the fuse holder on the factory harness. Pull back the carpet and route the white connector end between the vehicle floor pan and the driver-side wall. Route the harness in front of the jack mount and behind the access panel.

Step 9A – Pilot

• From the funnel access, reach up and to the rear and find the mating housing that connects to the custom harness. If the housing is already connected to a harness, you will need to disconnect this housing (used for the backup sensor). Install the custom wiring harness to the vehicle wiring harness. Make sure the connectors are fully inserted with locking tabs in place.
  NOTICE
  If you need to disconnect the backup sensor you will need to reconnect it to the single wire connector on the custom wiring harness. This allows the backup sensor to still function.
  NOTICE
  If gaining access to the harness is difficult due to physical limitations, follow steps 3B and 4B for the Passport to attach the custom wiring harness to the factory harness in the Pilot.

Step 10A – Pilot

• Route the round housing over to the grommet found under the third row seat and feed the round housing down through this hole. The USCAR plug will fit through the oval opening sideways.
• Proceed to Step 11 on page six to complete the installation for the Honda Pilot..

Step 2B – Passport

• Open the rear hatch and storage hatch to expose the spare tire. Locate the two locking rings in the storage tray and loosen to remove the tray.
• Remove the spare tire from the storage hatch.

Step 3B – Passport

• Using a trim tool, remove the skid plate at the rear of the vehicle. Using a small flat head screw driver, release the cover on the upper cargo hook. Remove the 8mm bolt behind the cover. Using a flathead screwdriver, lift the lower cargo hook and open the access to expose a large Phillips-head screw.
  NOTICE
  The Phillips-head screw can be troublesome. Use an impact screwdriver to prevent damage to the screw when removing.

Step 4B – Passport

• Use a panel trim removal tool to release the driver-side panel and pull open the panel to expose the factory harness.

Step 5B – Passport

• Use the panel trim removal tool to remove the push fastener securing the floor covering in place (the access hole below the side storage bin).
• Pull the carpet back from the driver side to the passenger side. Use the trim tool to remove the plastic cover exposing the electrical passing through the grommet.

Step 6B – Passport

• Install the red 10-amp fuse from the bag kit into the fuse holder on the factory harness. From the access hole below the side storage bin on the driver side, run the white connector end up to the factory harness plug. If this housing is already connected to a harness, disconnect this housing (used for the backup sensor). Install the custom wiring harness to the vehicle wiring harness. Make sure the connectors are fully inserted with locking tabs in place.
  NOTICE
  If you need to disconnect the backup sensor you will need to reconnect it to the single-wire connector on the custom wiring harness. This allows the backup sensor to still function.

Step 7B – Passport

• Run the other end of the harness under the carpet and through the grommet hole (the USCAR plug will fit through the oval opening sideways).
• Proceed to Step 11 to complete the installation for the Honda Passport.

Step 11

• From under the vehicle, determine the 7-way mounting location and mount the 7-way socket connector. Route the wiring in the center of the vehicle (above the spare tire on the Pilot). Secure with zip ties as needed and plug into the 7-way  socket connector.

Step 12

• From inside the vehicle use a cutting tool to carefully cut the grommet, allowing a large enough opening for the custom wiring harness to go through and allowing the grommet to be pushed back into place in the body of the vehicle. Use the tube of silicon to seal around the custom wiring harness.

Step 13

• Locate a flat spot on the floorboard of the vehicle. Adhere to the black converter box using the provided double-sided tape.
• Locate a suitable grounding point near the connector such as an existing screw with a nut in the vehicle frame or drill a 3/32″ pilot hole for the provided screw. The area should be free of rust, dirt, and paint. Secure the white ground wire using the ring terminal and provided screw.
  CAUTION
  Check for miscellaneous items that may be hidden behind or under any surface before drilling to avoid damage and / or personal injury.

Step 14

• In the engine compartment, locate the fuse panel next to the brake fluid reservoir. Remove the cover and install the two 20-amp (yellow) fuses in the three and eleven locations, and the 30-amp (pink) fuse in location two

Step 15

• Reinstall all items removed during harness install, and reconnect the negative battery terminal.

NOTICE
Once the 12 volt power wire is connected to the harness verify that the harness is functioning by attaching the battery and testing with a test light, 4-flat tester, or a functioning trailer.

TROUBLESHOOTING

Lights do not function.

• Verify the inline fuse is good. Check the grounding location using a test light. Attach the clip end of the test light to the ground location using the probe end of the test light on the power wire from the battery.
• Make sure the surface around the ring terminal is raw or bare metal.

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 I tems that may be behind or under any surface before drilling.

NOTICE

1. This converter system is to be used only on 12-volt negative ground systems.
2. Secure power wire to vehicle chassis using cable ties provided.
3. 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.
4. Overall T-connector design may differ from the illustration. The illustration should be used for power lead instruction only. Illustration is not to scale.

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