CURTMFG.COM
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PRODUCT SUPPORT: 877.287.8634
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51701-INS-RA
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04/08/2021
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PAGE 1
Product Registration and Warranty
CURT stands behind our products with industry-leading warranties. To get copies of the product
warranties, register your purchase or provide feedback, visit:
warranty.curtgroup.com/surveys
INSTALLATION MANUAL
51701
Time Allowance
Initial set-up
10 - 20 minutes
Device and Bluetooth Requirements
Compatible with
iPhone iOS 10.3
or higher
Android: 6.0
Marshmallow or higher
and Bluetooth-enabled
Not compatible
iPhone 4 and iPhone 5
Vehicle Requirements
Compatible with
Gasoline vehicles that
are 1996 or newer
Diesel vehicles that
are 2004 or newer
Automatic transmission
Manual transmission
vehicles will have
limited functionality:
Weight and Trailer
Brake Gain modules
will not work
Requires operational,
powered OBD-II
diagnostic port
Not compatible
Vehicles with a
transmission that
is different from
the original year,
make and model
Vehicles with foreign
engines not sold
in the US Market
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.
Product Photo
Maintenance
Periodic inspection of all wires and
connections should be performed
to ensure there is no visible
damage or loose connections.
NOTICE
Before you begin installation, read all instructions thoroughly.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna
• Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected
• Increase the separation between the equipment and receiver
• Consult the dealer or an experienced radio / TV technician for help
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.