Troubleshooting Guide - Horizon Global 118741 Instructions D'installation

Ensure T-One Connector ends are fully inserted
4-Way not Functioning
and locked in place. Remove module's power fuse
for 10 seconds and repeat test.
Installation may have activated circuit protection.
Start Vehicle and turn all functions off: Tail (head
lights), Brake and Turns. Remove Module power
No Power to 4-Way
fuse for 10 seconds and repeat test .
Pre-trip inspection of 4-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.
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TROUBLE SHOOTING GUIDE
Routine Maintenance and General Inspection
Check chassis grounds. Ensure ring terminals are in full contact with
vehicle chassis. Remove module's power fuse.
Ensure fuse is fully inserted into fuse holder. Fuse should have no breaks.
Fuse holder connected properly to positive post of battery. Remove 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 module power fuse for 10 seconds
and repeat test.
Clean 4-Way Flat Connector after each use.
Insure 4-Way Flat harness doesn't Get pinched in Door latches, trailer
connection points or allow contact with road surface.
Sheet 4 of 12 118741-N 1/25/2023 Rev. A