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SoonDockin's avatar
SoonDockin
Nomad
May 05, 2019

2019 F450 looking for a key on power under the hood. Odd one

I was hooking up my Air Lift 72000 on my F450. Everything was going fine until I stuck the fuse in and the pump came to life. This was with the truck off. I was surprised to find all the fuses are ho...
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Grit_dog's avatar
Grit_dog
Trailblazer
May 05, 2019
All what fuses are hot?
Functions that don't run with ign off should not be hot at the fuse box.
Where did you pull power from?
Whatever source you find should be fine because you only need ign power to trigger a relay, right?

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