Brand new poster here, brand new owner as well. No newbie to trucks, been driving a 99 7.3 for about 12 years finally jumped into the new age. 2017 XLT FX4 F150 3.5 Ecoboost. Loving it, but have a question for some of my electrical wiring nerds on here. Truck has airbags, also found it does have a compressor. Power is run from the front all the way back finally tracked down it all, but cannot for the life of me find a switch. I believe its the yellow wire that is capped off. But I am not sure, someone help me understand what I am looking at here please.

 

Looks like it may be an Airlift wireless system. If so, there's no switch, its controlled by a remote and/or if its the newer bluetooth model it can be controlled by your phone.

 

Unfortunately, you're looking at an absolute farking mess. All that exposed wiring and that exposed relay makes baby Jesus cry.

Do you know the manufacturer/model of the airbag and compressor system? That would give you a place to start.

 

Looks like a bingo to me, based on their website this looks like their first gen system which does not have the phone options... but thank you so much for pointing me in the right direction. I will contact the dealership and see if they just forgot to give me the remote

Not my idea of perfect wiring either haha looks like Raptoe hit it on the head with the airlift wireless. Now to find out how to get ahold of a remote. I rarely would need to use it, but I would like the option.