Quick question. Which BCM fuses are constant 12v?

[Justin says...]

I've read in different places here that #10 is constant 12v but my multimeter disagrees.

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[CurtisB]

I ran into this issue when I was initially trying to find an "off" fuse off the inside fuse box to hot wire my aftermarket ampifiers. It seems that most of the fuses here will stay hot for long periods of time, uploading data to Ford of most High. I linked up to this one (#10) but had horrible feedback thru my speakers whenever I braked and/or turning on my turn signals. May not happen to others, but it happened to me. So I just wound up ground my ampliers to the frame and bridgeof the positive post on the battery and installed my own interrupt switch. So I shut off my amplifiers every thime I leave the truck. Zero drain. Eventually, #10 should go off, I just didn't see it happening.

 

[Justin says...]

Well crap. The instructions for my SiriusXM module explicitly state it has to be wired to a constant 12v source. Hmm not sure what to do now and I was really hoping to get it installed this weekend.

 

[CurtisB]

Try it anyway. It's easy to move it to another fuse once you have put in a jumper.

 

[BlueSpec1]

BCM fuse list per Owners manual & FSM

BCM Fuses ID PDF by Milous:
https://www.mavericktruckclub.com/f...-ford-maverick-under-dash-fuse-diagram.12962/

 

[Justin says...]

Looks like I need to go buy an add-a-circuit tomorrow as the one I own is for a different size fuse.

Also, I'm adding some pics that people who come across the thread might find useful.

 

[Justin says...]

BCM fuse list per owners manual/FSM
View attachment 144200

https://www.mavericktruckclub.com/f...-ford-maverick-under-dash-fuse-diagram.12962/

So it sounds like #24 is the ideal one to use.

 

[BlueSpec1]

So it sounds like #24 is the ideal one to use.

For my dash cam F24 is what I used for constant 12V and F1/F2 for it's switched.
Micro2 and Micro3 are the fuses.

 

[Justin says...]

For my dash cam F24 is what I used for constant 12V and F1/F2 for it's switched.
Micro2 and Micro3 are the fuses.

Did you use regular "add-a-circuits"? Those look unfamiliar.

 

[BlueSpec1]

Did you use regular "add-a-circuits"? Those look unfamiliar.

For F24 it's a pigtail fuse b/c of the space between fuses and connectors. And the Micro3 in the BCM are raised up a little higher than the Micro2 so kinda interfere with Micro2 add a circuit taps.

https://www.mavericktruckclub.com/f...nition-only-power-spoiler-its-all-good.10366/

Pigtail Fuse: https://www.qualitymobilevideo.com/6210pt.html

 

[Montana]

For my dash cam F24 is what I used for constant 12V and F1/F2 for it's switched.
Micro2 and Micro3 are the fuses.

This is exactly what I used as well. Only with add-a-fuse variants.

 

[Justin says...]

I never knew such a thing existed. Now I'm going to do my best to track one down on a Sunday morning in the boonies. I have an AutoZone and Advanced. Fingers crossed.

 

[BlueSpec1]

I never knew such a thing existed. Now I'm going to do my best to track one down on a Sunday morning in the boonies. I have an AutoZone and Advanced. Fingers crossed.

Probably a micro2 tap as that's most likely what the local stores will carry. Like @Montana did.
Autozone: Bussmann Circuit Fuse tap

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