REDARC TPH-025 Tow Pro Harness Instruction Manual

: August 20, 2024
: REDARC

Table of Contents

TPH-025 Tow Pro Harness
INSTALLATION
Documents / Resources

TPH-025
Universal (Pig-Tail) Harness Tow-Pro Harness Fitting Instructions

TPH-025 Tow Pro Harness

REDARC Electronics – 23 Brodie Road (North), Lonsdale, South Australia 5160, Australia

United States
+1 704-247-5150
power@redarcelectronics.com
www.redarcelectronics.com| Canada
+1 604-260-5512
power@redarcelectronics.com
www.redarcelectronics.com
---|---
Mexico
+52 558-526-2898
power@redarcelectronics.com
www.redarcelectronics.com| Australia (Global)
+61 8 8322 4848
power@redarc.com.au
www.redarc.com.au

WARNINGS & SAFETY INSTRUCTIONS

Save these instructions – this manual contains important safety instructions for the Tow-Pro wiring harness.
Do not operate the product unless you have read and understood this manual and the associated electric trailer brake controller’s manual and the product is installed as per the installation instructions.

WARNING

SWITCH OFF THE VEHICLE AND REMOVE THE KEY FROM IGNITION PRIOR TO INSTALLING TOW-PRO WIRING HARNESS OR TOW-PRO ELITE/LIBERTY ELECTRIC TRAILER BRAKE CONTROLLER. FAILURE TO SWITCH OFF THE VEHICLE MAY LEAD TO INJURY OR DAMAGE WIRING.
INSTALL THE TOW-PRO ELITE/LIBERTY ELECTRIC TRAILER BRAKE CONTROLLER AS PER THE MANUFACTURER’S INSTALLATION INSTRUCTIONS. FAILURE TO FOLLOW INSTALLATION INSTRUCTIONS MAY RESULT IN DAMAGE TO THE VEHICLE OR INOPERABLE TRAILER BRAKES.

NOTICE
Vehicles without a factory towing package may require additional fuses and relays to complete the output and battery circuits. Consult vehicle owner’s manual for locations if required. Additional parts not included – refer to the Tow-Pro instruction manual for further details.

INSTALLATION

Determine the desired mounting locations for both the Tow-Pro Main Unit (up under the dash) and the Remote Head (in reach of the driver) as per the Tow-Pro user manual, but do not mount or plug in yet.
Find a suitable 12V trailer stop lamp signal source to be used for the 12V Vehicle Brake Light Trigger. For more information follow the instructions in the Tow-Pro product manual.
Connect the RED wire from the TPH-025 to the 12V trailer stop lamp signal identified in step 2.
Connect the BLUE wire from the TPH-025 to the trailer socket. The PIN to connect to may vary depending on how your trailer has been wired, this PIN must connect to your trailer brakes.
Connect the WHITE wire from the TPH-025 to a suitable GROUND point on the chassis, this wire should NOT be connected directly to the Start Battery negative terminal.
Connect the BLACK wire from TPH-025, through a suitably rated fuse or circuit breaker (as per the diagram on the previous page), to a permanent 12V supply sourced from the Start Battery.
Mount the Remote Head and connect the communications cable supplied in the Tow-Pro kit.
Plug the TPH-025 in to the Tow-Pro Main Unit and mount the Tow-Pro Main Unit a per the Tow-Pro Instructions.
Complete installation of the Tow-Pro electric trailer brake controller and perform test procedures as instructed in user manual.

NOTICE
REDARC recommends confirmation that the trailer stop lamps illuminate when manual override is activated. This is a legal requirement in the state of California. The assistance of an auto-electrician may be required. For additional information refer to tech-tip at www.redarcelectronics.com

For more information, visit: www.redarcelectronics.com or scan the following QR code.
Two Year Product Warranty
For warranty terms visit www.redarcelectronics.com

TPH-025
Universal (Pig-Tail) Harness
WARTPH-025-FI – REV3