Installation Instructions
Directives de Montage
Instrucciones de Instalación
Trailer Tow Harness
Faisceau de Fils D'attelage
de Remorque
Arnés de Remolque
18247-037
Rev. A
READ THIS FIRST:
Read and follow all instructions carefully
before beginning installation.
NOTE: Does not fit F-150 Heritage (Old Body
Style).
TOOLS NEEDED:
13mm Socket & Ratchet or 13mm Wrench
Test-probe
Passenger Side
Passenger Side
Kick Panel
Kick Panel
(Fuse Panel Behind)
(Fuse Panel Behind)
1. Locate the vehicle's Passenger
Compartment Fuse Panel located in
vehicle cab on the passenger's side,
behind the kick panel.
2. Open the cover to access the relays
and fuses.
3. Consulting your owner's manual, locate the
Trailer Tow Battery Charge Relay location
and insert the relay (provided).
4. Close the Passenger Compartment Fuse
Panel cover and replace kick panel.
Bumper
Bumper
03/22/04
5. Lower spare tire to gain access to
vehicle wiring. See vehicle owner's manual
for help.
6. Locate the vehicle's wiring harness plugs
located in the rear, underneath the vehicle,
inside the driver's side frame rail.
7. Carefully separate the vehicle's plugs.
The plugs should match the Trailer Tow
Harness ends. Install the Trailer Tow
Harness between the mating plugs.
8. Locate existing ground stud, inside the
driver's side frame rail near the back
bumper, and remove. Ground the Trailer
Tow Harness by attaching the ring terminal
on the white wire to the existing ground
stud. Reattach ground stud.
Door
Door
9. Plug the 7-way socket (provided) into the
Trailer Tow Harness.
Passenger
Passenger
Compartment
Compartment
Fuse Panel
Fuse Panel
Drivers Side
Drivers Side
Frame Rail
Frame Rail
Existing
Existing
Ground
Ground
Connector
Connector
Stud
Stud
(Trailer Tow
(Trailer Tow
(13mm)
(13mm)
Harness Location)
Harness Location)
WARNING Test the installation with a
test light or trailer. All connections must
be complete for the Trailer Tow Harness
to function properly.
10. Secure all loose wires and mount the
Trailer Tow Harness in an accessible
location with a bracket or electrical box
(not included). Return spare tire to
mounted position.
NOTE: The existing 4-flat harness on the
vehicle will still be functional.
CAUTION Do not exceed manufactur-
er's fuse rating. See owner's manual.
LISEZ CECI EN PREMIER:
Lire et suivre toutes les instructions
attentivement avant le montage.
REMARQUE:
Ne convient pas au modèle F-150
Heritage (ancien style de carrosserie).
OUTILS REQUIS:
Cliquet et douille de 13 mm ou
clé de 13 mm
Sonde de vérification
Panneau de seuil de porte
Panneau de seuil de porte
côté passager (panneau de
côté passager (panneau de
fusibles à l'arrière)
fusibles à l'arrière)
1. Repérer le panneau de fusibles dans
l'habitacle du véhicule du côté passager,
derrière le panneau de seuil de porte.
2. Ouvrir le couvercle pour accéder aux
relais et aux fusibles.
Porte
Porte
Panneau de
Panneau de
fusibles de
fusibles de
l'habitacle du
l'habitacle du
côté passager
côté passager