Curt Group 3015121 Installation Manual Download Page 1

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PAGE 1

POWERED RUNNING BOARDS 

INSTALLATION MANUAL

Parts List

1

Driver / left running board*

1

Passenger / right running board*

6

Mounting bracket, universal

6

T-rails

30 Flat washer, M8
18 Nylock nut, M8
18 Flat washer, nylon, 3/8"
12 Nylock nut, 5/16"
2

Rubber grommet

4

Door sensor

2

Door sensor extension

4

Magnet

2

Alcohol wipe

1

Power switch

1

Circuit board

1

Anti-seize

1

Wire loom

1

Wiring harness, two-piece

2

LED light

2

LED light bracket

4

Double-sided foam tape, 3/4" x 3/4"

8

Double-sided foam tape, 1/2" x 1/2"

* Running boards sold separately

Torque Specifications

M

et

ric

M6 bolt

3 ft-lbs.

M8 bolt

7 ft-lbs.

M10 bolt

16 ft-lbs.

SA

E

1/4" bolt

3 ft-lbs.

5/16" bolt

7 ft-lbs.

3/8" bolt

16 ft-lbs.

1/2" bolt

28 ft-lbs.

Use above torque setting unless otherwise noted

Tools Required

Ratchet

Drill

Socket set

Drill bit set

Zip ties

Level

Level of Difficulty

Moderate

Notes and Maintenance

Before you begin installation, read all instructions thoroughly.
Proper tools will improve the quality of installation and reduce the time required.
No maintenance required on waterproof harness or water-resistant motors.

If mud or dirt is built up on the steps, simply spray them off and let them air dry.
Mild automotive detergent may be used to clean the product. Do not use dish detergent, abrasive 

cleaners, abrasive pads, wire brushes or other similar products that may damage the finish.
Periodic inspection of all wires and connections should be 

performed to ensure there is no visible damage or loose connections.
Refer to the last page of this manual for troubleshooting, 

warranty and product registration information.
Refer to the table to the left when securing hardware during the 

installation process to help prevent damage to the product or vehicle.

Part Numbers

3025121 (brackets)

3025183 (boards)

3048321 (brackets & boards)

3015121 (brackets)

3015183 (boards)

3038321 (brackets & boards)

Product Photo

Powered Running Boards

 

(not included)

Front

Rear

Middle

 WARNING

Improper electrical installation may result in personal injury. Unless 

you are familiar with the installation and handling of electrical systems, 

have this step performed by someone who has that familiarity.

Summary of Contents for 3015121

Page 1: ...improve the quality of installation and reduce the time required No maintenance required on waterproof harness or water resistant motors If mud or dirt is built up on the steps simply spray them off...

Page 2: ...river side mounting location locate three threaded studs on the inside of the body panel and place a 3 8 nylon flat washer over each stud This will help prevent galvanic corrosion Attach the mounting...

Page 3: ...r side brackets installed take the driver side running board and insert three T rails into the slot as shown Note Position each T rail as close to the mounting bracket location as possible Step 6 Secu...

Page 4: ...followed by the running board connections Repeat steps 1 through 7 on the passenger side Step 8 Remove the fuse from the wiring harness before installing Once the fuse is removed take that section of...

Page 5: ...18 WHT BLU ORG YEL BLK DBR RED RED BLK BLK RED BRN PNK PPL BLK RED GRN GRY WHT BLU PNK A B BRN BLK RED 14GA RED BLK BLK RED RED BLK RED GRY GRN PPL ORG YEL ORG B A BLK RED BRN A B B A DBR 14GA BLK FR...

Page 6: ...Take the passenger side rear actuator red black and the LED light pink tan and route it through the floor plug behind the passenger seat If there is no plug in the floor behind the passenger seat rep...

Page 7: ...need to use the supplied sensor harness extensions for the two front door sensors Once the harness and sensor are routed to the desired location wipe the sensor and door with the provided alcohol wip...

Page 8: ...silver male ends and the red female wire into the bronze male end Step 16 On the driver side plug the rear actuator red black into the running board and pull the extra wire back into the vehicle Plug...

Page 9: ...ould be performed to ensure all mounting hardware remains tight To protect your investment see the Notes and Maintenance section on the first page of this instruction manual Step 18 Once all wiring is...

Page 10: ...that leaves our factory by hand along with assembling your step slider by hand These may fail but it is extremely rare after we send them after having tested them If you test the motor and all you hea...

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