2010 Elantra Parking Brake wiring

[ShannonP]

Newb here, trying to install a stereo for my son's old Elantra. I have the stereo in, microphone, etc. (it's a CarPlay compatible unit).

The one instruction I can't yet solve, and have been scouring the internet for is the part where I am supposed to connect a green wire to a parking brake wire.
The instructions say:

BlueParking BrakePin 8
	Location: 20-pin white plug (C) at rear of dash fuse box

but no picture or other info provided.

So, I looked online for an explanation of the the relay boxes, and the closest I can get is:

Hyundai Elantra HD: Fuses And Relays - Body Electrical System - Hyundai Elantra HD 2006–2010 Service Manual

Hyundai Elantra HD 2006–2010 Service Manual. Body Electrical System. Fuses And Relays

www.hemanual.org

There is a relay box and ICM box in the passenger area (under dash). But none of the info/diagrams give me any pointer to which one to look at. The relax box doesn't seem to have an 20 pin connectors, and the ICM does, but I can't find any info on the pinout.

Any help is appreciated. Thanks for reading!

Thanks,
Shannon

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[ShannonP]

updating with what I found. see attached images. supposedly this is the correct wire to attach the positap to. Doesn't seem to change any behavior in the radio, so not sure of the point.

 

[audiobaun 5,000+ posts]

Are you trying to install a backup camera/ or hook up a backup camera to the HU?

 

[ShannonP]

no, it was required in the instructions. there is a separate plug if I do buy a camera.

 

[1aespinoza Premium Member]

Are you trying to install a backup camera/ or hook up a backup camera to the HU?

The parking brake wire is so the radio will allow you to watch video. The e-brake has to be activated for safety. Many use a bypass like the one below.

 

[1aespinoza Premium Member]

Doesn't seem to change any behavior in the radio, so not sure of the point.

Many use a bypass like the one above to elimnate the need of activating the emergency brake to watch video.

 

[audiobaun 5,000+ posts]

The parking brake wire is so the radio will allow you to watch video. The e-brake has to be activated for safety. Many use a bypass like the one below.View attachment 58097

Right. Many do By-pass the parking system activation.