2012 4x4 4.0l auto - trailer brake module

863 Views 4 Replies 5 Participants Last post by Racksaw, Jun 18, 2016

lowlander

Discussion Starter · Jun 17, 2016

I installed a plug and play brake module and a seven wire trailer plug. Used existing wiring with appropriate adapters. Trailer lights work, but no brake power at the plug. Regardless of the sensitivity setting. I do not know if my Frontier has a trailer towing package - how do I tell? Is there a breaker or relay I need to add somewhere?

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2013Pro4X

· #3 · Jun 17, 2016

Yes, if you received a truck without the towing package installed you need to install the relay harness in the passenger side kick panel as Clint stated above.

The relay harness is shown in number 2 of installation steps on this website:

Nissan 7-Pin Wiring Kit

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