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Installation Tips
Before you begin installing your new Supertop, please read all the
instructions thoroughly.
It is recommended that two people install this Bestop product.
For a smooth fit:
For easier installation, the top should be installed at a temperature above 72° F.
Below this temperature, the fabric may contract an inch or more, making it
difficult to fit the vehicle. You may let the fabric sit in the sun for 15-20 minutes
before installing to let the fabric warm up.
It is normal for the fabric to contract and wrinkle when stored in the shipping
carton. Within a few days after installation, the fabric will relax and the wrinkles
will disappear.
WARNING
Do not rely in any way on the components of this
product to protect against injury or death in the event of an accident.
Never operate the vehicle in excess of manufacturer's specifications.
Read and follow, precisely, all installation instructions provided when
installing this product. Failure to do so may result in a poor fit and could
place occupants of the vehicle in a potentially dangerous situation.
CAUTION
Safety glasses should be worn at all
times when installing this product.
-OR-
Ratchet
9/16" Socket
1/8" Allen
Safety
Wire Stripper-
Wrench
Glasses
Phillips Screwdriver
Pliers
P1 - 77337 Rev. B 0321
Installation Instructions
Supertop for Trucks
WEAR SEAT BELTS AT ALL TIMES
Tools
- OR -
9/16" Wrench
Tape
Measure
Crimper
Heat Gun
Utility Knife
Wire Ties
(Not included)
Installation Instructions - Supertop for Trucks
Chevrolet Silverado & GMC Sierra HD (2500/3500) 2020-Current 6.8' Bed
Installation Time
2 hours
Skill Level
3 - Moderately Difficult
Vehicle Application:
Part Number 77337
Support
We're here to help! Go to:
https://www.bestop.com
and click on Need Help?
https://www.bestop.com/video-library
© 2021 Bestop, Inc.
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Related Manuals for Bestop Supertop 77337
Summary of Contents for Bestop Supertop 77337
- Page 1 Before you begin installing your new Supertop, please read all the instructions thoroughly. It is recommended that two people install this Bestop product. For a smooth fit: For easier installation, the top should be installed at a temperature above 72° F.
- Page 2 Part Number 54823 Supertop for Trucks Part Number 77337 Installation Instructions - Supertop NX Twill P1B - 54823 Rev. G 0416 Installation Instructions - Supertop for Trucks © 2016 Bestop, Inc. P2 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
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Page 3: Parts List
Front Rail Part #578.39 Part #579.23 Part #573.17 Qty. 8 Part #584.95 Part #584.94 Qty. 4 Qty. 4 Qty. 4 Qty. 1 Qty. 1 Installation Instructions - Supertop for Trucks P3 - 77337 Rev. B 0321 © 2021 Bestop, Inc. - Page 4 Rear Window Flat Washer Center High-Mount Qty. 2 Stop Light (CHMSL) 29’ Wire Harness Qty. 1 Qty. 1 #10-32 Nut Qty. 2 Parts Kit #576.71 Installation Instructions - Supertop for Trucks P4 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 5 1/8” Allen Check and tighten the two (2) set Wrench screws in the rear rail. Repeat with the Right Side Rails #609.52 and #608.80. Installation Instructions - Supertop for Trucks P5 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 6 Attach the Side Rails to the Front and Rear Rails. NOTE: The Front Rail is longer than the Rear Rail. Installation Instructions - Supertop for Trucks P6 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 7 Align the Side Rails on both sides of aligned with the tongue of the the vehicle. attachment feature, where the tongue bends, and the small corner protrudes. Installation Instructions - Supertop for Trucks P7 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 8 Installation Instructions - Supertop for Trucks P8 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 9 Rear Side Rail. NOTE: Make sure that the Rubber Pads are lined up on top of the vehicle’s bed rail cap. Installation Instructions - Supertop for Trucks P9 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 10 Before attaching couplers to bow stacks, make sure to pull the bond coat straps out and away from the bows, and lay them flat. Installation Instructions - Supertop for Trucks P10 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 11 Insert the Pivot Bearings into the receiving holes in the inside of the side rails See Details. Installation Instructions - Supertop for Trucks P11 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 12 Engage the Locking Lever on both sides of the truck. NOTE: The Lever-Stop Assemblies are pre-installed at the factory at 31.5” from the front edge of each Side Rail. Installation Instructions - Supertop for Trucks P12 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 13 Place the folded Soft Top onto the Unfold the front and back of the Top over unfolded Bow Assembly. the #1 and #4 Bows. Installation Instructions - Supertop for Trucks P13 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 14 Bow. NOTE: Secure the outer snaps before securing the center snaps. Repeat for the #4 Bow (Bow closest to the truck tailgate). Installation Instructions - Supertop for Trucks P14 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 15 Slide the front rail onto the plastic retainer at the bottom of the front window. The rail should go under the large flap. See Detail. Installation Instructions - Supertop for Trucks P15 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 16 Tuck the plastic tabs at the bottom of each corner of the top into the slots in the Side Rails and Front and Rear Rails. Installation Instructions - Supertop for Trucks P16 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 17 For ease of installation, start each zipper only about 6”. Once all zippers are started, flip the rear corners into the rail, then zip all zippers completely shut. Installation Instructions - Supertop for Trucks P17 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 18 10-32 Nuts. The Nuts and Flat Washers go on the inside of the fabric. You’ll need to pierce the fabric for the screws to go through. Installation Instructions - Supertop for Trucks P18 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 19 The sleeves run across the top and down the rear corner of the top fabric. See Detail. Installation Instructions - Supertop for Trucks P19 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 20 Run the Black wire from the harness to the acces- sory ground post on the battery. NOTE: You May have to remove a cover to get access to the Battery. Installation Instructions - Supertop for Trucks P20 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 21 BCM. Page 22. CHMSL Wire Hardware Tools Violet/White Wire Tap Tail Light Wire Part #577.58 Wire pin # 11 Qty. 2 Pliers (violet/white) Installation Instructions - Supertop for Trucks P21 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
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Page 22: Single Wire
Section 15 Page 22 General Motors Best Practices for Splicing Wires Step 1 Hardware Step 2 DuraSeal Splice Bestop Part # 588.13 GM Part #12089189 RayChem (Tyco) Part #D-406-2004 Qty. 2 2 Wires Single wire Tools Step 1 Step 2... - Page 23 2-conductor connectors at the ends of the CHMSL Wire Harness and the 29’ Wire Harness together. NOTE: You must unplug these connectors before folding the top down. Installation Instructions - Supertop for Trucks P23 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 24 Flip rear corners of top fabric up onto roof. for the Rear Window. Fold the top forward so that all the bows collapse and rest on the Front Rail. Installation Instructions - Supertop for Trucks P24 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 25 Front Window when the top is folded down. Wrap the straps around the Rear Rail and snap closed. Installation Instructions - Supertop for Trucks P25 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 26 Front Window. can be rolled up and secured with attached side flaps. Place the rolled-up Rear Window in the Boot, and zip the Boot closed. Installation Instructions - Supertop for Trucks P26 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
- Page 27 WHAT BESTOP WARRANTS Subject to the terms and conditions of sale, including any terms and conditions set forth by Bestop, Inc. (“Bestop” or “us” or “we”) in our then-current terms of sale on our website (collectively, the “Terms”), Bestop represents and warrants that: the covered products listed in the “Covered Products and Warranty Periods”...
- Page 28 Toll-Free: (800)845-3567 E-mail: csbestop@Bestop.com Website: www.Bestop.com This product may be covered by 1 or more patents or pending applications, information can be found at www.bestop.com/patents Installation Instructions - Supertop for Trucks P28 - 77337 Rev. B 0321 © 2021 Bestop, Inc.
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