Whelen Engineering Company FastTrax FTR4 Installation Manual page 5

3. The bonding surface must be completely clean and dry. Using a clean lint-free cloth, clean the bonding
surface with an automotive wax and grease remover (ex:Prepsol®). Allow to dry thoroughly.
4. Shake the "3M Keel Primer" applicator (included) well before using. Following the instructions attached to
the applicator, apply a thin uniform coating to the bonding surface using the minimum amount that will fully
coat the surface. Allow the primer to dry thoroughly. This is usually accomplished in 5 minutes at room
temperature. Be sure the primed surface remains free from contaminants.
5. Return the housing to the vehicle and connect the strobe/halogen cables to their respective lightheads.
Remember that the cables must be connected correctly or the system will not function properly.
6. Locate the ends of the adhesive tape strips indicated below. Peel approximately an inch of the protective
backing away from the tape. Now fold the backing so that it sticks out from under the Fast-Trax housing.
7. Carefully pull the protective backing tabs out from under the Fast-Trax housing. Make sure that the
housing's position is not disturbed during this process.
8. With all of the protective backing strips removed, press down firmly along the edges of the housing to
promote adhesion.
WARNING!The vehicle should not be driven for a minimum of 24 hours after installation. The
adhesive used in this procedure must remain at
Caution should be used if the vehicle must be driven between 24 and 72 hours after installation.
The adhesive should be fully bonded after 72 hours.
Fig. 5
Protective
Backing
Seal
65°F
(BOTTOM VIEW)
Page 5
(minimum)
for 24 hours
after installation.