Curt Group 3015121 Installation Manual Download Page 10

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Product Registration

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Troubleshooting

I just installed my steps and they are 

not coming down when I open the door.

Double check the connections. Check the fuse to make sure it is plugged in. Is the on / off 

switch getting power? Is the circuit board plugged in? Are the door sensors plugged in?

My switch is getting power, but 

the light stays on in both positions.

The light is only supposed to be on when the system is turned on. If it is lit in both positions 

simply switch the red wires on the back. Will this kill my battery with the light constantly lit? 

This will not kill your battery unless you leave it lit for a month with no use.

Everything is plugged in and the 

switch is turning on and off, but 

the steps still won't deploy.

Two things may be causing this issue:
Check the motor first. Simply unplug it from the wiring harness and apply external 12V power 

to the leads. One position will make them deploy. Switch the leads again to make them retract. 

If this works, plug the motor back into the harness. We test each and every motor 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 

hear is a clicking sound but nothing happens, there is likely internal damage.
Check the sensors. Unplug both of them from the wiring harness, and plug one back in. Manually 

test your sensors by putting a magnet really close (but not touching) to the sensor. Does it make 

the step retract? When the magnet is away, the step should deploy. If the steps deploy right after 

installation, more than likely your magnets just need to be aligned. Do this one by one with each 

sensor by the method above. Install one sensor, test, align the magnet on the door, test, and then 

mark the position of the magnet so if for some reason they do move out of place you can easily 

realign them. The sensors should have a label with MP###802 or MP###902.

I tested the motor, and it works. I checked 

the sensors individually, and the system 

still won't work. The steps don't deploy 

unless I do it manually with 12V power.

In rare circumstances, the circuit board that runs the system 

may be faulty. Call our product support team at 844-278-4357.

I opened my door a bunch of times and 

the system just shut off. What happened?

Our systems have built-in protection against quick cycling like this to prevent damage. 

Simply turn your on / off switch to off, wait 5 seconds, and then turn it on again. 

This will reset the system and allow it to work normally again.

My running boards are making 

squeaking and / or rubbing sounds.

Apply a dry, graphite powder lubricant on each pivot point.

 

TROUBLESHOOTING & REGISTRATION

PRODUCT REGISTRATION

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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