
FIGURES 7 AND 8.
SEE FIGURE 9.
SEE FIGURE 10.
NOTE: WESTIN RECOMMENDS
YOU USE A PROFESSIONAL TO INSTALL THE WIRING HARNESS. SEE STEPS 16-20.
NOTE: To ensure the longevity of your lights, remove the bulb and placing a small amount of
white grease into the sockets and replace the bulb. Place a small amount of RTV Silicone where the
wires go into the socket. This keeps the sockets dry and adds to longevity.
GENERAL TIPS FOR WIRING HARNESS INSTALLATION. NOTE: The light wiring harness installation requires
splicing into vehicles electrical system.
NOTE: Avoid areas of excess heat, vibra-
tion, pinch or rotation when securing harness to vehicle.
NOTE: Always
use a fused positive (+) power source. NOTE:
STEP 10.
STEP 11.
STEP 12.
STEP 13.
STEP 14.
STEP 15.
STEP 16.
STEP 17.
STEP 18.
STEP 19.
Align the hole in the rear main bracket to the pinch weld hanger and angle the bracket to the rear of the
vehicle to support the rear part of the step board. Snug up at this time.
Attach (8) 5/16” square head bolts to the running board in the appropriate slots in the aluminum and
position the running board into the brackets.
Now position the running board on the vehicle. Attach using (8) nylock nuts and washers and adjust the
board to the appropriate location. Make sure to tighten all the brackets.
Under the vehicle on the brackets in location 1, 2 and 3. Install (3) TEK screws per bracket and tighten up
all the brackets to the vehicle to complete this installation.
INSTALLING THE LIG
A three piece wiring harness is included with the Lighted Step Board. The harness includes four (4) light
sockets and three plugs. Carefully plan a wire route from the right side Step Board to the left. Then
choose a pass-through point (floor board to inner cab) for the wire harness.
Attach wire harness and lights. Be sure rubber seals are in place before installation. The rubber grommet
around the red and blue wires going into rear sockets should be completely inserted and recessed about
1/4”
Screw lights into each end
of the board and run conduit in center slot of aluminum base board. This will hold harness in place.
After choosing a pass-through point for cab harness(STEP 14.), follow this sequence: Route long lead
harness to short lead harness and plug connectors securely.
Plug open-ended connection into unused connection. Either connector on short lead board harness will
work. Route open ended wire harness through truck cab. Find the closest position to door light switch
lead wire. Seal pass-through holes with silicone or permanent sealer.
Connect positive and negative lead wires to vehicle sources (dome light or courtesy light under dash).
Use vehicle door switch for ground lead source and appropriate positive lead for supply.
For lighted boards, the best place to find the hot lead to
the dome light is the driver side windshield pillar.
HTS & WIRING HARNESS TO YOUR STEP BOARDS (FOR LIGHTED VERSION)
Westin Automotive Products, Inc.
5200 N. Irwindale Ave. Suite 220
Irwindale, Ca. 91706
Thank You for choosing Westin products
For additional installation assistance please call
Customer service (800) 793- 7846 or (507) 375-3559
Finish protection - Westin products have a high quality finish that must be cared for like any
other exposed finish on the vehicle. Protect the finish with a non-abrasive automotive wax
(pure carnauba, for example) on a regular basis. The use of cleaner wax or any compound which
contains an abrasive is detrimental, as the compounds scratch the finish and open it to corrosion.
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