Curt Group 3015121 Installation Manual Download Page 4

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Step 7

At this time, adjust the running board 

to the desired location.

With the running board in position, 

it is recommended to tighten all 

brackets to the vehicle first, 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 the wiring harness and attach it to the 

battery. Route the opposite end of the harness 

through the firewall into the cab of the vehicle.

Zip-tie the wiring harness in place 

once it is in the desired location.

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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