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Wiring Harness Needed To Install Redarc Tow-Pro Liberty Brake Controller on 2021 Jeep Gladiator


Which harness do I need to install the Redarc Tow-Pro Liberty in my 2020 Jeep Gladiator?


Expert Reply:

In order to install the # RED24FR Redarc Tow-Pro Liberty in your 2020 Gladiator, you'll need the # 3073-P harness along with the # 331-TPH-017 adapter. This assumes that your Gladiator is equipped with the tow package. The easy way to determine if the vehicle has the tow package is the presence of a 7-way trailer connector at the back bumper.

The # 3073-P plugs into the factory tow package connector located under the dash behind and above the ODBII port, as shown in the provided photo and the linked video.

If your Gladiator does NOT have the 7-way trailer connector, the connector under the dash won't be present and you'll need to hardwire in the controller. You'd start by installing a functional 4 pole trailer connector using the reliable Tekonsha # 118786 wiring harness. You'll also need the # RED69FR wiring pigtail and our # ETBC7 brake controller wiring kit which includes the adapter to convert the 4 pole provided by the # 118786 to a 7-way, as well as all the necessary hardware, wire and circuit breakers.

I've linked to install videos that you might find helpful.

Brake Controller Connector Location for 2021 Jeep Gladiator
Brake Controller Connector Location for 2021 Jeep Gladiator
(click to enlarge)
expert reply by:
Mike L

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