How to use 110v 120v plug with truck off

[Gduck24]

At the track today and brought a fan to plug in the bed and put on the tailgate to cool off. Only works when truck is running. Got exist combined with a fan aren't fun. 

 

Anybody have schematics or more info on what it might take to use it with the truck off or on accessory? 

[topgear1224]

Do not touch the brake, push and hold the start button for 15-20 seconds. That will put you in accessory mode.

Sent from my SM-N975U using Tapatalk

[Gduck24]

3 hours ago, topgear1224 said:

Do not touch the brake, push and hold the start button for 15-20 seconds. That will put you in accessory mode.

Sent from my SM-N975U using Tapatalk
 

Could have swore I read it wouldn't work in accessory. I didn't know how to get it in accessory so thanks. Now I feel silly. 

[topgear1224]

Mine worked, batter gets low kinda quick make sure climate control is off.

Sent from my SM-N975U using Tapatalk