9. Locate a flat surface in an out of the way place and
mount the T-One
®
T-Connector’s black box-module,
to prevent damage or rattling.
10. Secure the remainder of the T-One
®
T-Connector
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.
11. Replace carpet, and any other clips or panels that
were removed during installation being careful not
to cut or pinch the wires.
NOTE
Store 4-Flat in trunk area when not in use.
WARNING
Overloading circuit can cause fires. DO NOT exceed
lower of towing manufacturer rating or:
• Max. stop/turn light: 1 per side (2.1 amps)
• Max. tail lights: (5.6 amps)
Read vehicle’s owners manual & instruction sheet for
additional information.
ENGLISH
TOOLS NEEDED:
Trim Panel Remover, Drill (3/32” Drill Bit),
Philips Head Screwdriver, Test-probe
1. Open trunk. Temporarily remove the rear threshold
plate. Partially remove the felt trunk liner behind the
taillights
de
.
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
f
.
3. On the driver’s side, insert the T-One
®
T-Connector
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.
4. Route the T-One
®
T-Connector end with green wire to
the passenger ‘s side behind the panels and along the
threshold. Repeat step 3 using the T-Connector ends
containing the green wire.
5. Locate a suitable grounding point near the connector.
Clean dirt and rustproofing from the area. Drill a 3/32”
hole and secure the white wire using the eyelet and
screw provided.
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.
6. From inside the vehicle, connect the black 12 ga.
wire and the red wire from the T-One
®
T-Connector
black box with the supplied yellow butt connector.
Either route the black wire thru a grommet and along
the exterior frame or follow the existing wiring along
the thresholds into the engine compartment up to
the battery avoiding areas that may pinch or break
the wire
g
.
WARNING
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.
7. Disconnect the vehicle’s Negative (-) battery cable.
If not removed, remove the fuse from the yellow fuse
holder (provided). After cutting the fuse holder wire
h
, attach the ring terminal and secure to the vehicle’s
Positive (+) battery cable. Connect the other end of
the fuse holder to the black 12 ga. wire, using the
yellow butt connector (provided)
i
.
WARNING
Read and follow all warnings and cautions printed
on the tow vehicle’s battery.
8. Reconnect the vehicle’s Negative (-) battery cable
and install the 10 amp fuse into the fuse holder
from step 7.
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.
Installation Instructions
Directives de Montage
Instrucciones de Instalación
T-One
®
T-Connector
Connecteur en T
Conector en T
Lexus GS350 / GS350 / F Sport / GS450h
e f
hd
i
j
118598-037 Rev. A 5/16/2013
READ THIS FIRST:
Read and follow all vehicle warnings and installation
instructions before beginning installation. Wear safety
glasses and use all safety precautions during installation.
LISEz CECI EN PREMIER:
Lire et observer toutes les consignes de sécurité et les
instructions avant de commencer l’installation. Durant
l’installation, veiller à toujours porter des lunettes de
protection et respecter les mesures de sécurité.
LEA ESTO PRIMERO:
Lea y siga todas las advertencias e instrucciones de
instalación del vehículo antes de empezar la instalación.
Use gafas de seguridad y todas las precauciones de
seguridad durante la instalación.
(2 pages)
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