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Discussion Starter · #1 ·
The community here at urges you to please use caution and seek professional assistance when performing modifications to your vehicle. Before attempting any modification it is advised that you refer to your Colorado or Canyon service manual or contact a certified mechanic as not all GMT355 trucks are the same. The views expressed in this 'product review' is the opinions of the author alone. The posts and content presented on this site reflect in no way the views of or it’s ownership.

A 355nation product review presented by

Curt Manufacturing 55384 T-Connector Adapter

Product Description
Adds a 4-wire flat trailer harness to the OEM 7-wire round connector.

$40, but regularly found on Amazon for $25

Void warranty?
No. Please see "Magnus Moss"

Reviewer's Vehicle
Make: Chevrolet
Model: Colorado
Year: 2012
Engine: 5.3L
Power windows: Yes
Sun Roof: No

Product Analysis
Curt did a decent job with this product, it looks OEM and fits without any difficulty. I don't know if the instructions were any good, I didn't need them!

Installation Analysis
Installation was as simple as crawling under the truck, unclipping the connector at the back of the 7-pin bumper plug, and plugging the Curt T-Connector in. Curt includes some zip-ties to tie everything down, and that was appreciated since the 4-wire pigtail is massively long. Instructions were, like I said, not really needed. Installation took 5 minutes.

Overall Opinion
On my old Colorado, I'd spliced in a 4-flat connector manually. It looked hacked together, and I was always worried that water might get into the connections and short it out. To make it worse, somehow I managed to hook it up so that the turn signals reversed when the brakes were applied (only when LEDs were in the tail lights). This unit doesn't have that problem, and looks almost OEM. The connections are all tight and as water-resistant as the original ones. It's a little more money than buying a 4-flat connector and some t-taps, but not by much.

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