Horizon Global PRO Serie Manuel D'instructions page 60

GM '99 Silverado, Sierra (not Sierra Classic) models.
Chevy & GM '00 and newer 1500 Silverado Sierra. '00 to 10' HD models, and '04 & up
1500 Crew Cab with 5'8" bed (Reese Sidewinder
Read pages 2-3 of these instructions before starting installation. Failure to do so could result in significant vehicle damage!
IMPORTANT NOTES FOR THIS INSTALLATION:
1. Find parallel rows of bed sill spot welds in bed of truck. No drilling should be done in the ~4" between parallel rows of
spot welds where the bed sill sits.
Front of
Vehicle
NOTE:
installation, installer can use
½" 13, grade 5 Hex head
bolt and flat washer.
NOTE: Later models will
require exchanging forward
long brackets side to side &
repositioning Driver's side
bracket to Row 2. This is to
avoid brake cable hanger on
Driver's side. Shown here
for clarity.
Long Box Bed Sills
(Bold Line)
Short Box (Dashed Line)
Long bracket
Front of
Vehicle
Check for obstructions before drilling. Failure to do so could result in damaged fuel or brake lines, structural members, etc.
Horizon Global America Inc. does its best to communicate tow vehicle manufacturer changes; however, it is ultimately the
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2006,2007,2008,2009,2010,2011,2012,2013, 2014, 2017 Horizon Global America Inc .
For ease of
1/4 1.5-3
*
1/4 2
Note: Pull wires provided, will be needed to
install hardware in brackets through frame.
responsibility of the installer to prevent damage due to installation.
SHEET 5 0F 19
Made in China
TM Pinbox required for 5'8" bed).
CAUTION!
King pin centered over Axle
CAUTION!
30035IN
NOTE:
Must install center bolt in
one of the center holes in
each rail.
Check to make sure center
bolt does not interfere with
bed sill.
Rear Edge of
Truck Bed
8' Box: 30"
5'8" & 6'6" Box: 25-1/8"
Measure from rear edge of
truck bed to rear edge of
base rail
Do not install on a
truck with a 5'8" long
bed unless the trailer
is equipped with a
Reese Sidewinder TM
Pinbox.
Side Bracket
Drivers side of 3/4 ton HD shown
Short bracket
*
Optional weld
pattern
1/4 2
*
1/4 2
1/31/2017 Rev. U