MECMO 4-Pin Trailer Wiring Harness 56217

Curated from 19 real Reddit conversations

Refreshed on: March 19, 2025

MECMO 4-Pin Trailer Wiring Harness 56217

Brand: MECMO
Price: $31
Snoop Score:
9.8
Sentiment
10.0
Popularity
10.0
Technical
9.6

Snoop's Take

The MECMO 4-Pin Trailer Wiring Harness 56217 is designed specifically for the 2008-2019 Toyota Highlander and the 2018-2022 Lexus RX 350, providing a reliable and easy-to-use plug-and-play solution for connecting trailer lights. This wiring harness allows users to effortlessly power their trailer’s tail lights, brake signal lights, and turn signals, making it an essential component for safe towing. Consumer feedback highlights the ease of installation as a standout feature, with users noting, "Super easy" when referring to the setup process. This sentiment is echoed throughout various discussions, where users appreciate the straightforward plug-and-play capabilities that allow for quick connections without extensive technical knowledge. The durable construction of the harness also garners praise, ensuring reliable performance even in challenging conditions. Based on the overwhelmingly positive feedback regarding its simplicity and effectiveness, the MECMO 4-Pin Trailer Wiring Harness is highly recommended for anyone looking to enhance their towing experience without the hassle of complicated wiring setups.

Not for you? Check out our other rated Wiring

Super easy. Now just have to do the wire harness. Not so easy.

Positive Feedback

harness is built just now documenting how to build it again for a pcm harness

Insightful Chatter
Product
9.8
MECMO 4-Pin Trailer Wiring Harness 56217
Boat Towing
10 / 10
Utility Trailer Hauling
5 / 10
RV and Camping Gear
10 / 10
OEM Replacement & Upgrades
10 / 10
See how this compares to all Wiring

What it does well!

Key strengths users can’t stop talking about.
Easy to install wiring harness
Super easy. Now just have to do the wire harness. Not so easy.
This idea came to me while camping at a site that had a bunch of 120V - 20a service plugs all a short distance from each other.
It’s been towed to the dealership. What do we think I can expect?
There is only one regular outlet in the laundry room so both of my Samsung appliances plug into the one outlet.

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
MECMO 4-Pin Trailer Wiring Harness 56217MECMO 4-Pin Trailer Wiring Harness 56217$31
9.8
DetailsBuy
TUOFENG 18 Gauge Wire Spool KitTUOFENG 18 Gauge Wire Spool Kit$15
9.3
DetailsBuy
MECMO 4-Pin Trailer Wiring Harness 56040MECMO 4-Pin Trailer Wiring Harness 56040$29
8.0
DetailsBuy
MECMO 4-Pin Trailer Wiring Harness for Jeep WranglerMECMO 4-Pin Trailer Wiring Harness for Jeep Wrangler$28
7.1
DetailsBuy

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Interest in DIY wire harness projects
harness is built just now documenting how to build it again for a pcm harness
there is no feeling like being done with it, and knowing you made that harness.
You can't pay me enough to do it regularly(well, maybe a place could), but I really enjoyed it.
they are not an easy task.

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Concerns about wiring quality and safety
The question, who wired your hitch?
That one looks like it came from the factory.
## Amazon Price History: **MECMO Quick Connect Adapter for Tailgate Light Bar LED Redline Amber Tur
Good info, I’d be careful with those, it looks like one has a huge shoulder and the other has a 90degree bend.

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