DIY vs Professional Install
The short answer: Some hitches are easy weekend installs. Others really need a shop. Here's how to tell the difference.
In This Guide
The Quick Answer
DIY-Friendly
- • Puck-mount hitches (easiest)
- • Rail-mount hitches (if rails exist)
- • Single-point hitches on a gooseneck ball
Consider a Pro
- • Installing new rails (drilling)
- • Underbed wiring
- • Complete kits from scratch
How Do I Install a Puck-Mount Fifth Wheel Hitch?
Difficulty: Easy — Do it yourself
If your truck has factory pucks, installing a puck-mount hitch is genuinely simple. Most people do it in their driveway.
What's Involved:
- 1. Remove puck covers
- 2. Lower hitch into bed
- 3. Line up with puck holes
- 4. Lock each leg with its handle (a quarter turn or a cam) — no tools
- 5. Pin the handles and check every leg is locked down
Tools Needed
- • Socket set
- • Torque wrench
- • Someone to help lift
- • No tools to drop it in — the socket set and torque wrench are for first-time assembly
Time
30-60 minutes first time, 15 minutes once you've done it.
How Do I Install a Rail-Mount Fifth Wheel Hitch?
Difficulty: Easy (if rails exist)
If you already have rails in your bed, mounting a hitch is straightforward. It drops into the rails and pins in place.
What's Involved:
- 1. Position hitch on rails
- 2. Insert mounting bolts/pins through hitch legs into rails
- 3. Secure with clips or nuts
- 4. Adjust height if needed
If You Don't Have Rails
Installing rails is a bigger job — see below.
How Do I Install Fifth Wheel Rails from Scratch?
Difficulty: Moderate — DIY with experience, or hire a pro
This is where it gets real. Installing rails means drilling through your bed floor and bolting into the frame. It's doable for handy people, but mistakes are expensive.
What's Involved:
- 1. Remove bed liner, access panels, spare tire (if in the way)
- 2. Position bracket template on bed floor
- 3. Drill holes through bed floor
- 4. Install frame brackets under the bed
- 5. Bolt rails through bed into frame brackets
- 6. Torque everything to spec
Tools Needed
- • Drill with metal bits
- • Socket set
- • Torque wrench
- • Jack stands
- • Fish wire (for bolts)
- • Patience
Time
2-4 hours for experienced DIYers. Longer if you've never done it.
When Should I Hire a Professional Installer?
You don't have the tools
A good drill, torque wrench, and jack stands aren't cheap. If you'd have to buy them all, a shop may be more economical.
You're not comfortable under the truck
Rail installation requires working under the vehicle. If that's not your thing, no shame in hiring out.
Wiring is involved
If you need a 7-way plug installed in your bed, that's electrical work. Some people love it, some hate it.
You want a warranty/liability backstop
Professional install often comes with a workmanship warranty. Peace of mind has value.
How Much Does Professional Installation Cost?
| Install Type | DIY | Professional |
|---|---|---|
| Puck-mount hitch | Free (your time) | $50-150 |
| Rail-mount hitch (rails exist) | Free | $75-200 |
| Rails + hitch (from scratch) | Free (but time) | $200-400 |
| Complete kit + wiring | Free (significant time) | $300-600 |
Related Guides
How GMC's factory puck system works on Sierra 2500HD and 3500HD, how to install a gooseneck or fifth wheel hitch, and the 2020 fitment change.
Read guide →Common hitch problems and how to fix them — noise, binding, and connection issues.
Read guide →Convert the trailer to gooseneck, or buy a fifth wheel hitch? Bed space, real total cost, resale, short beds and warranty — laid out both ways.
Read guide →