Installed the MOPAR trailer brake controller

[kmmn]

I installed the MOPAR trailer brake controller in my 80th Anniversary EcoDiesel... What a complete PIA. The module mount is a bear... My neck, back and hands hurt. No error lights, so good news, but does the trailer need to be connected in order for the controller to illuminate?

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[Pepe My Little Mule]

I installed the MOPAR trailer brake controller in my 80th Anniversary EcoDiesel... What a complete PIA. The module mount is a bear... My neck, back and hands hurt. No error lights, so good news, but does the trailer need to be connected in order for the controller to illuminate?

Thought I read somewhere the PCM needs to be flashed/programmed by the dealer for that to work???