Key on, high pitched noise. Any updates?

[Butte465]

I recently purchased a Viper winch and battery isolator from the sxs store and installed them in our 2021 pk5. With the key on there is a high pitched sound. If I remove fuse 1,4 or 9 (counting from the rear) the sound stops. I don’t know if the sound was there before the installation or not. I read a couple of old threads but was wondering if there is anything new.

 

[Admin]

 

[HondaRed16]

Do you have a stereo system, is it coming through the speakers? Either way I’d say you have a grounding issue.

 

[Butte465]

No stereo system. It is quite faint but audible.

 

[Hondasxs]

Is it like this.
Turn volume up.

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[Butte465]

Pretty much like that.

 

[Hondasxs]

Key On, High Pitch Sound!

This is driving me crazy... Anyone else here this. With the key on. But not running. I have this high pitch sound coming from around the DCT / oil tank. It's not the fuel pump. I haven't taken it apart yet to find the source.

hondasxs.com

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[Butte465]

That’s the thread I had read. I was just wondering if there was any new insight.

 

[Hondasxs]

That’s the thread I had read. I was just wondering if there was any new insight.

Nope.
It doesn't bother me anymore.
I don't use any key-on (not running) since I installed my dual battery.
All 3 Pioneers I have owned and my Talon made this sound.

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[Remington]

That’s the thread I had read. I was just wondering if there was any new insight.

Its the nature of the beast. You just deal with it and move on.

Would u like my Tinnitus, It never goes away! At least u have a key to turn your high pitch sound off! Some of us cant
Its all good.