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BODY HARNESS:
• Starting at the modules black box on the driver's side, Connect the Black/Blue from the wires jacketed cable to the
blunt cute Black/Blue wires using supplied Heat Shrinkable butt connectors, (See wiring Detail for Reference).
• Connect the red/black wire from the module's black box to the red wire on the jacketed cable using a Heat Shrinkable
Butt connector, (See wiring Detail for Reference).
• Underneath the vehicle, route the jacketed cable long the vehicle's body up to the engine compartment's battery
location.
If routing the wire thru a grommet and along the exterior of the vehicle, be careful to avoid any hot pipes, heat
shields, the fuel tank or any other points that may pinch or break the wire.
• Route the body harness's red wire to the vehicle's Positive battery post. Connect the 25-amp Fuse holder Labeled
(Modules Power) with supplied Heat Shrinkable butt connector to the fuse holder. Connect the supplied ring terminal
to the opposite end of the fuse holder. Insure the 25-amp fuse is removed (if not remove it) and connect the ring
terminal to the positive battery post. (See wiring detail for reference).
• Route the body harness's black wire to the vehicle's Positive battery post. Connect the 30-amp Fuse holder Labeled
(7-way harness) with supplied Heat Shrinkable butt connector to the fuse holder. Connect the supplied ring terminal
to the opposite end of the fuse holder. Insure the 30-amp fuse is removed (if not remove it) and connect the ring
terminal to the positive battery post. (See wiring detail for reference).
BRAKE CONTROL HARNESS:
• Determine a suitable mounting point on the tow vehicle for the Electric Brake Control Harness.
Note: Brake Control not included. Brake Control Harness designed to work with Tekonsha® Brake Controls visit,
www.tekonsha.com for more details or where to buy.
• Route the Brake Control Harness' White/Blue/Black wires through an existing grommet on the fire wall and into the
engine compartment. Route wires through grommet by creating a small hole in the grommet to pass the wires
through.
• Route the Brake Control Harness' white wire to existing vehicle chassis ground point. Using provided ring terminal,
mount.
• Route the Brake Control Harnesses Black wire to the vehicle's positive battery post underneath the hood. Using 30-
amp fuse holder (Brake Control), butt connector and ring terminal connect to the battery. Ensure the 30-amp fuse is
removed from the fuse holder prior to connecting the ring terminal to the vehicle's battery.
• Route Blue wire (Electric Brake Output) to Body Harness Blue wire. Using butt connector, connect blue wires.
Determine a suitable mounting point on the tow vehicle for the
• Route the Brake Control Harness Red wire to the 18-gauge red wire on the body harness. Using the blue butt
connector provided, connect red wires.
Electric Brake Control
•
.
• Secure the brake harness connector near desired Brake control mounting location.
Harness.
©2023 Horizon Global™ Corp
DETAIL E
E
COMPLETION:
• Secure harness with the cable ties provided, to prevent damage or rattling. Be
careful to avoid any areas that would pinch, cut or melt the wire.
• Apply heat directly to butt connectors, working from the center out to the
edges, using a hot air gun or other source, until the tubing recovers and the
adhesive flows. Allow to cool before inspecting splice and checking integrity.
• Replace all coverings, grommets or any other components that were removed
for ease of installation. Some grommets will need to be altered to allow wires
to pass through. Seal altered grommets with silicone.
• Reconnect the vehicle's Negative (-) battery cable.
• Test and verify installation with a test light or trailer once installed
7-Way not
Ensure T-One® T-Connector ends are fully
Functioning
inserted and locked in place. Remove Tow
properly
Harness power Module 25-amp fuse for
properly
10 seconds and repeat test.
Installation may have activated circuit
protection. Start vehicle and turn all
No Power to
functions off: Tail (head lights), brake and
7-Way
turns. Remove Tow Harness power
Module 25-amp fuse for 10 seconds and
repeat test.
Routine Maintenance and General Inspection
Pre-trip inspection of 7-Way Flat Harness to insure no damage to
terminals and connection points for proper lighting connection and
operation.
Clean connection and add Dielectric grease (sold Separately) to the
terminal pins.
Website: www.horizonglobal.com
Technical Assistance: 800-632-3290
TechnicalSupport@horizonglobal.com
7-WAY HARNESS:
Determine 7-Way mounting location.
• Determine 7-Way mounting location.
• Route the 7-Way Harness containing
• Route the 7-Way Harness containing the 7 wires behind rear
bumper fascia and over bumper support bracket, towards the
the 7 wires behind rear bumper fascia
Mounting location.
• Using wire insertion detail, pin 7-Way Connector.
and over
• Connect 7-Way connector and 7-Way socket. Mount 7-Way
(Bracket not included).
bumper support bracket, towards the.
TROUBLE SHOOTING GUIDE
Check chassis grounds. Ensure ring terminals are in full contact with vehicle's
chassis. Remove Tow Harness power Module 25-amp fuse for 10 seconds and
repeat test. Check 7-Way wire insertion Schematic to ensure correct US-Car wire pin
outs match wiring detail.
Ensure 25-amp fuse is fully inserted into fuse holder. Fuse should have no breaks.
Fuse holder connected properly to positive post of battery. Remove 25-amp fuse for
10 seconds and repeat test. Ensure module is connected to B+. Using a tester or
voltmeter check for voltage on either side of the yellow butt connector near the
module. Remove Tow Harness power Module 25-amp fuse for 10 seconds and
repeat test.
Clean 7-Way Flat Connector after each use.
Insure 7-Way Flat harness doesn't Get pinched in Door latches, trailer
connection points or allow contact with road surface.
Sheet 5 of 15
22134-N
2/6/2023
Rev. A
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