Lights & wiring
Trace faults in connectors, grounds and harnesses with simple tests.
Trailer Repair Course
Fix Your TrailerBefore the Next Trip
Stop guessing and stop paying shop prices. Learn the diagnose-first method for lights, wiring, brakes, bearings, hubs and axles.
For trailer owners, DIYers and aspiring techs. Beginner to Master in one course.
Get instant access — $29.99 USD
One-time payment · No subscription · Instant access after checkout
4
Levels
2
Bonuses
2
Reference guides
- Secure checkout
- Instant access
- 7-day guarantee
Find your problem
What is your trailer doing?
Pick the symptom and see exactly where the course helps you fix it.
Lights dead, flickering or blowing fuses
- Brake lights or turn signals not working
- Lights flicker or work only sometimes
- Fuses or breakers keep blowing
- Corroded or damaged connectors
Where the course covers it
Lights and wiring tests in Levels 1-3 and the Trailer Lights & Wiring Fault Repair System add-on.
See the full course package →Weak, grabbing or dead trailer brakes
- Trailer brakes do not engage
- Brakes grab or lock up
- Brake controller shows no connection
- Uneven braking or pulling to one side
Where the course covers it
Brake diagnosis in Levels 2-3 and the Trailer Brake Diagnosis & Repair Guide.
See the full course package →Hot hubs, noise and wheel wobble
- Hub runs hot after a drive
- Grinding or rumbling from a wheel
- Grease leaking from the hub
- Wheel wobble or play
Where the course covers it
Bearing and hub service in Levels 2-3 and the Wheel Bearings, Hubs & Axle Failure Prevention Guide.
See the full course package →Tracking, sway and uneven tire wear
- Trailer pulls to one side
- Uneven or fast tire wear
- Bent axle suspicions
- Spring or leaf wear
Where the course covers it
Axle, spring and alignment inspection in Levels 2-4.
See the full course package →Hitch, coupler, jack and tires
- Coupler is loose or hard to latch
- Safety chains and breakaway checks
- Tongue jack does not work
- Tire pressure and age problems
Where the course covers it
Coupler, jack and tire checks from Level 1 through Level 3 and the Common Problems guide.
See the full course package →Be ready before every trip
- Want a pre-trip inspection routine
- Not sure which part is which
- Want to catch problems before the road
- Seasonal storage questions
Where the course covers it
Pre-Trip Inspection & Maintenance Quick-Start and the Parts Identification Guide.
See the full course package →
Why people switch
The guessing game vs. the diagnose-first way
Paying the shop & guessing
- Paying for a diagnosis before any repair
- Swapping parts just to see
- Losing days of work at the shop
- Never knowing what actually failed
- The same problem coming back
With this course
- A clear step-by-step diagnostic method
- Test first, replace only what failed
- Fix it on your schedule
- Understand every system on the trailer
- Repairs that last
One proven method, applied to every symptom.
The method
Follow the evidence, not guesses
Every repair in the course follows the same simple sequence, so you always know the next step.
- 01Verify the symptomConfirm exactly what the trailer does and when, before touching anything.
- 02Inspect the basicsConnectors, grounds, tires, hubs and brakes: rule out the simple causes first.
- 03Isolate the systemLights, brakes, bearings or frame: narrow it down fast.
- 04Test, do not guessUse a test light or multimeter to read real values instead of swapping parts.
- 05Repair or escalateFix what is safe to fix; know when axle or brake work needs a specialist.
- 06Retest and road-checkProve the fix before the trailer hits the road.
One progressive course
Four levels. One clear path from beginner to master.
Start where you are and move up at your own pace. Each level builds on the last.
Beginner
Level 1 · Safe foundations
How a trailer works, tools, safety and basic inspection. No experience needed.
Professional
Level 2 · Real diagnostics
Lights, wiring, brakes, bearings and common failure patterns.
Expert
Level 3 · Complex faults
Electric brakes, axles, suspension and intermittent problems.
Master
Level 4 · System-level mastery
Whole-trailer thinking, failure prevention and quality control.
What you learn
What is included in the Trailer Repair Course
Everything you need to understand, test and repair a utility trailer.
Brakes
Understand electric and surge brakes and fix common problems.
Bearings & hubs
Inspect, repack and replace bearings, and catch failures early.
Axles & suspension
Spot wear, misalignment and damage before they become dangerous.
Couplers, jacks & tires
Everyday repairs that keep the trailer safe and road-ready.
Safety-first practice
Clear rules for loads, jacking and when to leave a job to a pro.
- Everything inside, topic by topic
- Lights & wiring
- 4-way connectors
- Grounds
- Electric brakes
- Brake controllers
- Surge brakes
- Wheel bearings
- Hubs & seals
- Axles
- Springs & suspension
- Couplers
- Tongue jacks
- Tires & wheels
- Pre-trip inspection
Know the tools. Test with confidence.
Get the course — $29.99 USD
Secure checkout · Instant access after payment
Your package
Bonus 1Included Bonus 2Included Complement 1Included Complement 2Included
Everything you get — in one purchase
The full course plus two bonuses and two complementary guides, all in one purchase.
Trailer Repair Tools & Safety Checklist
The tools to own and the safety checks to run before every repair.
Pre-Trip Inspection & Maintenance Quick-Start Guide
A fast routine to catch problems early before every trip.
Trailer Parts Identification Guide
Know every component and where it sits, so you always find the right part.
Common Trailer Problems Reference Guide
Quick symptom-to-cause lookup for the faults owners hit most.
All 4 levels, 2 bonuses and 2 complementary guides are included in your $29.99 USD one-time payment.
Is it for you?
Who this course is for
Trailer owners
Stop paying shop rates for problems you can diagnose yourself.
DIY and hobbyists
Learn how it really works and fix it with confidence.
Small business owners
Keep work trailers running without downtime.
Aspiring trailer techs
Build a structured foundation in trailer maintenance and repair.
Built-in safety
Technical safety comes first
Trailers carry loads and travel at speed. The course teaches safe habits from the first page.
STOP signs built in
Warning points tell you when to stop and escalate.
Unhook and power down
Disconnect the trailer and secure it before electrical or brake work.
Safe jacking and support
Use proper stands and chocks. Never rely on a jack alone.
Protect yourself
Eye, hand and workspace safety for every repair.
Heat and wear signs
Spot hot hubs, worn parts and damage and know what to do next.
Know your limits
Clear lines between safe DIY work and jobs for a professional.
Educational material. Always follow manufacturer guidance and local regulations, and use a qualified professional for work beyond your skill level.
7-day money-back guarantee
Try the course with confidence. If it is not right for you, email us at planetebooks0@gmail.com within 7 days of your purchase with your order number and we will refund you, as long as the course materials have not been opened, accessed or downloaded.
To protect our digital content, the guarantee applies only to unopened purchases. Once any part of the purchase has been opened, accessed or downloaded, the sale is final. This does not affect any rights you may have under the consumer laws that apply in your location.
Your order
Complete Trailer Repair Course package
All 4 levels, 2 bonuses and 2 complementary guides, plus exclusive add-ons you can include right now.
Trailer Repair Course
- 4 levels, beginner to master
- 2 bonuses + 2 reference guides
- Instant digital access
$29.99
Add exclusive bonuses to your order
Optional add-ons, only $14.99 each. Check a box to add it.
Trailer Repair Course$29.99
Total today$29.99
- Secure checkout
- Instant access after payment
- 7-day guarantee on unopened courses
Secure checkout
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Payment options at checkout
Available payment methods are shown at checkout and may vary by country and device.
Instant access by email
Right after payment, your access link is sent to the email you enter at checkout.
Learn at your own pace
Study on your phone, tablet or computer, on your own schedule.
Questions
Frequently asked questions
How do I access the course after purchase?
Right after your payment is approved you get instant access. Your access link is sent to the email address you use at checkout and is also shown on your order confirmation page. If you do not see the email, check your spam and promotions folders.
Do I need experience?
No. Level 1 starts from zero with safety, tools and how the trailer works. Each level then builds on the previous one, so you can stop where you feel comfortable or keep going to master level.
What is included in the price?
The full Trailer Repair Course with all 4 levels, 2 bonuses and 2 complementary reference guides. The optional add-ons shown in the order box are separate and cost $14.99 each.
What are the optional add-ons?
Three focused diagnostic guides you can add to your order with one click before checkout. They are optional: the course is complete without them.
Can I study on my phone?
Yes. You can study on a phone, tablet or computer, at your own pace and on your own schedule.
Is this a subscription?
No. It is a one-time payment. There are no recurring charges.
Does it cover every brand and model?
The course teaches methods and systems that apply across brands. Always check the manufacturer’s documentation for the exact model you are working on.
Will this guarantee a specific result or income?
No. This is educational material. Results depend on your tools, effort and the condition of the equipment, and no repair outcome or income is guaranteed.
What is your refund policy?
We offer a 7-day guarantee on unopened purchases. Email planetebooks0@gmail.com within 7 days of purchase with your order number, as long as the course materials have not been opened, accessed or downloaded. Once any part has been opened, accessed or downloaded, the sale is final. This does not affect any rights you may have under the consumer laws that apply in your location.
Who do I contact if I have a problem?
Email planetebooks0@gmail.com with your order number and we will help you.
Get the course — $29.99 USD
Self-paced course · One-time payment · Secure checkout
Educational digital course. Not affiliated with any trailer manufacturer. Results depend on your tools, effort and the condition of the equipment; no repair outcome or income is guaranteed.