HORIZON T-One Directives De Montage

Installation Instructions
Directives de Montage
Instrucciones de Instalación
T-One T-Connector
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T-One Connecteur en T
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T-One Conector en T
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Mercedes Sprinter
Freightliner Sprinter
WARNING
ALWAYS read and follow all warnings and
instructions included with purchase before
beginning installation. Keep for future reference.
DO NOT exceed lower of towing manufacturing
rating (including in your vehicle owner's manual)
or specific amperage ratings stated on product.
ALWAYS read, understand and follow all
warnings and instructions printed on tow
vehicle's battery.
ALWAYS wear safety glasses and use all safety
precautions during installation.
118876-037 Rev. A
ENGLISH
TOOLS REQUIRED:
Trim Panel Remover, 10mm Socket & Ratchet or
10mm Wrench, Drill (3/32" Drill Bit), 1/4" Socket,
Wire Crimpers, Wire Cutters, Philips Head Screwdriver,
Test-probe, Torx 25 driver, Torx 30 driver
1. Open the rear doors and locate the plastic covers
that cover the rear of the vehicle taillight on each
side. Using a trim panel puller, carefully remove the
three covers on each side. The first cover will expose
the taillight harness. The two upper covers will assist
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with routing .
2. On the driver and passenger sides of the vehicle,
locate the vehicle's taillight wiring harness. The
taillight wiring harness will have a connection point,
on both sides, matching the ends of the T-One
T-Connector. Separate this connector, being careful
not to break the locking tabs. All connector surfaces
should be clean and free of dirt
3. Locate a flat surface near the taillight area inside
the vehicle and mount the T-One
black box-module, to prevent damage or rattling.
4. On the driver's side, insert the T-One
end, with the yellow wire, between the vehicle
wiring connectors and lock into place. Be careful
not to damage the locking tabs and be sure
that connectors are fully inserted with locking
tabs in place.
5. Route the T-Connector end with the green wire up
through the inner channel to the roof area of the
vehicle. Following existing wiring, route over to
passenger side concealing the wire behind the
plastic wire covers when possible. Secure to existing
wiring using cable ties provided
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6. Route the wires down through the holes that were
exposed in step 1. Repeat step 4 on the passenger
side with the T-Connector end containing the
green wire.
7. On the driver's side, locate a suitable grounding point
near the black box such as an existing ground stud or
drill a 3/32" hole and secure the white wire using the
eyelet and screw provided. (Do not drill into vehicle
floor or bed.) Clean dirt and rustproofing from area.
CAUTION
Verify what is behind any surface prior to drilling to
avoid damage to the vehicle and/or personal injury.
Do not drill into any exposed surfaces.
8. From inside the vehicle, connect the black 12 ga.
wire and the black wire from the T-One
black box with the supplied yellow butt connector.
Route the wire up through the channel to the
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roof area of the vehicle and following existing
wire. Route wire to the forward towards the driver
seat. Conceal the wire behind the plastic wire
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cover when possible. Secure to existing wiring
using cable ties provided
T-Connector's
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9. Continue to route the wire behind the trim panel
next to the driver seat to the floor of the vehicle,
T-Connector being careful to avoid areas that would cut or
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pinch the wire
10. Gain access to the vehicle battery underneath the
driver's side floor area. Remove the three screws
holding the trim threshold in place. Pull back floor
cover to expose the metal battery cover. Remove
the screws and pull off the metal cover to expose
the battery
11. Continue to route the black wire to the battery
underneath the floor covering following the
existing wiring.
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12. Disconnect the vehicle's Negative (-) battery cable
If not removed, remove the fuse from the yellow
fuse holder (provided). After cutting the fuse holder
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wire , attach the ring terminal and secure to
the vehicle's Positive (+) battery cable
the other end of the fuse holder to the black 12 ga.
wire, using the yellow butt connector (provided).
WARNING
Read and follow all warnings and cautions printed
on the tow vehicle's battery.
13. Reconnect the vehicle's Negative (-) battery cable
and install the 15 amp fuse into the fuse holder
from step 12.
WARNING
All connections must be complete for the T-One
T-Connector to function properly. Test and verify
installation with a test light or trailer once installed.
For initial test, reset vehicle electrical system by
temporarily removing the key from the ignition.
14. Secure the remainder of the T-One
harness with the cable ties provided, to prevent
damage or rattling and being careful to avoid any
areas that would pinch, cut or melt the wire.
15. Replace the battery cover, floor coverings, rear
plastic covers and all other items remove during
the installation.
NOTE
Store 4-Flat connector in rear cargo area when not
in use.
WARNING
Overloading circuits can cause fires. DO NOT exceed
stated product ratings. Read vehicle's owner's manual
& instruction sheet for additional information.
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T-Connector
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