Auto‑Brightness ���������������������������������������������������������������� GET THE LATEST TOW‑PRO LINK INFORMATION IMPORTANT: Keep up‑to‑date on the latest information on Tow‑Pro Link� For the latest version of this document and any available translations, visit the REDARC www.redarcelectronics.com website: LOOKING FOR INSTALLATION INSTRUCTIONS? Before you begin using your Tow‑Pro, the Remote and Main Unit need to be installed and ready to use.
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TOW‑PRO LINK ® The Tow‑Pro Link features inertia‑sensing technology for day‑to‑day hauling or highway towing� It is capable of ® supplying most 12 V 4 axle set‑ups� This proportional brake controller measures the vehicle braking force and applies the trailer brakes to match, ensuring a smooth braking application and no push or pull on the vehicle when braking�...
REDARC recommends that the products referenced in this manual be installed by a suitably qualified person� Disclaimer: REDARC accepts no liability for any injury, loss or property damage which may occur from the improper or unsafe installation or use of its products�...
ACTIVE CALIBRATION (page 8) Active Calibration works automatically in the background throughout the trip, no action required� ASSESS THE LOAD TRAILER‑BRAKE TEST (page 11) SET THE MODE (page 8) Early in your trip, assess your load and adjust the Braking Force if needed� Before your trip, with the trailer connected, Select the mode based on the expected road In this example, the trailer is fully loaded with supplies at the start of the trip, making the trailer feel like...
6. The App will attempt to connect� Accept the pairing request pop‑up� 7. Once the 'Reading Configuration' screen appears, release the vehicle brakes� 8. When pairing is successful, the Tow‑Pro control screen will be displayed� REDARC TOW-PRO xxxxxxx-xxxx Tow‑Pro App | 7...
OPERATION Before you can operate the Tow‑Pro Link, the Tow‑Pro Main Unit and Remote must be paired� The Tow‑Pro Main Unit and Remote are supplied factory‑paired when purchased as a complete system, so Manual Pairing is not needed� If the Main Unit or Remote were purchased separately or as a replacement, they must be manually paired before use —...
CHANGING THE MODE NOTICE: It is important to consider the road surface and conditions when selecting a mode and braking force setting� Each time you change modes, review the current braking force setting and adjust as needed� 1. Ensure your vehicle is stationary� 2.
BRAKING FORCE The setting is adjusted via the Remote� Begin with a low setting (3 to 4 recommended) and then adjust as needed� NOTE: A setting of ‘0’ will result in no trailer braking. WHEN TO ADJUST BRAKING FORCE Adjust the Braking Force setting in the following instances: Your trailer load/weight has changed since your last trip�...
NORMAL BRAKING Tow‑Pro applies the trailer brakes proportionally to the vehicle braking force� This means that trailer brakes are applied at a level proportional to the vehicle deceleration, i�e�, the harder the vehicle is decelerating, the harder the trailer will brake. The LED displays the current braking force as a colour hue between the current mode colour (0% braking) and red (100% braking)�...
SLEEP MODE When there is no trailer connected, the Tow‑Pro Link changes to Sleep Mode� In this mode, the Remote LED's will be off� If the Control Knob/buttons are pressed, the Remote will pulse blue once� PARK BRAKE FEATURE If the vehicle brakes are applied for longer than 3 seconds while vehicle is stationary, Tow‑Pro applies the trailer brakes in an intelligent manner to reduce the vehicle’s required braking effort, and also decreases the risk of rolling forward or backward whilst stopped�...
Main Unit for damage and wear caused by gravel or abrasion� If any parts are frayed, worn‑through, or broken, discontinue use immediately� REDARC recommends that you visit a qualified technician before the beginning of each holiday season to ensure that all components of your towing system are in good condition and working correctly�...
TROUBLESHOOTING FAULT CODES The Tow‑Pro Link features sophisticated diagnostics to warn the operator of faults in the vehicle and trailer brake wiring� Wiring faults are indicated by a series of colour coded flash patterns on the Tow‑Pro Link LED� Refer to 'Fault Codes — Flash Patterns' (page 15) for the full list of flash patterns, their possible causes and suggested actions to resolve each one�...
FAULT CODES — FLASH PATTERNS NOTICE: Even intermittent faults are detected and may be indicated until cleared� In many cases, a Fault Code can be cleared by performing a Soft Reset (page 17) of the Tow‑Pro Main Unit� Flash Pattern Symptom/Description Possible Cause Suggested Action Alternating The Main Unit is in the process of calibrating,...
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Loss of supply power� Hard Reset (page 17) the controller or braking contact REDARC for further assistance� Flash blue The power supply to the unit is not stable� Check the black and white wires for loose connections� Not working at all, even...
RESETTING THE TOW‑PRO SOFT RESET Unplug the trailer from the vehicle, then press the Control Knob twice� Wait for 1 minute before reconnecting the trailer� Unplug the trailer from the vehicle, then press the SwayStop Button twice � Wait for 1 minute before reconnecting the trailer� HARD RESET Refer to the Hard Reset instructions for the Main Unit model in your setup�...
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