56471-INS-RA
•
02/22/2022
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ECN9237
•
PAGE 5 OF 6
Step 9
Locate a grounding point such as an existing
screw or bolt in the frame of the vehicle or drill
a 3/32"pilot hole. The area should be free from
rust, dirt, and paint (abrasive pad/paper to
remove rust and paint). Secure the white ground
wire with the ring terminal on the existing
fastener or with the provided ground screw.
CAUTIO N
Check for miscellaneous items that may be
hidden behind or under any surface before
drilling to avoid damage and/or personal injury
Step 10
Route the 4-flat along the rear bumper
and zip tie as needed. Mount the 4-flat
close to the receiver tube.
Once the custom wiring harness is installed,
verify that the harness is functioning by
attaching the 4-flat to any vehicle with
functioning trailer lights. The taillights
on the tow vehicle should function along
with the taillights on the towing vehicle.
Step 11
Reinstall all items removed during install. If it was disconnected at the beginning of the installation,
reconnect the negative battery terminal. Install the provided 4-flat dust cover to help prevent corrosion.
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