Always wear SAFETY GLASSES
when installing wiring harness
9.
After cutting the fuse holder wire, 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 Heat Shrinkable butt connector
(provided).
10. Beginning from the front of the vehicle, route the black 12 ga. wire rearward
along the frame rail avoiding any hot pipes, heat shields, the fuel tank or any
other points that may pinch or break the wire.
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.
Heat the Shrinkable butt connector using a heat gun. Starting in
the center of the splice connector. Heat Shrinkable butt connector
from the center out to the edges on each end until the tubing
shrinks and sealant flows. Allow to cool before inspecting the
splice.
©2023 Horizon Global™ Corp
Installation Instructions
PART NUMBER: 118884
11. Connect the other end of the black 12 ga. Wire to the black power
wire located on the T-One ® Connector's black box, using the yellow
heat shrinkable butt connector (provided).
12. Reconnect the vehicle's Negative (-) battery cable and install
the 15-amp fuse into the fuse holder from step 8.
Read and follow all warnings and cautions printed on the tow vehicle's
battery. All connections must be complete for the T-One® 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.
13. Reinstall any other items that may have been removed during
installation, being careful not to pinch or cut the wires.
Note:
Route the 4-Flat Connector through the driver's side panel and threshold
into the storage compartment; store there when not in use.
Overloading circuits can cause fires. DO NOT exceed stated product ratings.
Read vehicle's owner's manual & instruction sheet for additional
information.
Sheet 5 of 18
118884-NP
3/24/2023
Rev. X1