What Is This Thing In The Engine Bay?

[Kinks]

flux capacitor

[Chris Rogers]

dealer fitted alarm. seen the inside box before. there will be more of it in the drivers side.

[Munkyb0y]

thanks chris

yeah there's a mystery black box under drivers side dash too. i'll try follow it all across before i rip anything out.

so i can remove all this crap yeah? is it the white box in the second pic?

can you circle the bits in the pic that are related to the alarm. ie. that i can remove safely. is the silver box related to it too?

so what's the thing in the engine bay? siren i guess, yeah?

Edited May 26, 2008 by Munkyb0y

[Chris Rogers]

silver box is part of the car. it should be the main central locking unit in that car. anything attached to the white box can come out.

if it ties to something in the main harness clip and tape it. the alarm is alpine based.

[GTS4WD]

Without a dout it is not stock..

Those connectors are not used as stock item as far as I know.. I have seen many of these used in Head unit and alarm installations from japan. They dont do the "strip te wire, wrap it around another stripped wire and wrap it in electrical tape" that many dodgy backyard jobs here in aust. do.

+1 for alarm.. see the metal brass coloured thing.. Im going with that the "siren" bit of the alarm. Explains why there it doesnt go anywhere else..

If it ws hiden under the factory air box makes it alot more difficult for a theif to locate it due to its unusual location plus they need to remove the stock airbox to get to it and remove it. I have never stolen a car.. but I am asuming that you need to disable the alarm somehow.. what better way than just cut the siren off?

[Chris Rogers]

exactly what I thought.

as for placement. yep good spot. the GTR had it placed in the door.

[Munkyb0y]

confirmed

i put 12v and earthed the other two, and it squeeled like a pig lol. so yeah, it was a siren.

[jamr33]

Hey guys, new to the forum, first post, sorry if this thread is old...

I have just bought an R33, the alarm siren doesn't work, I am trying to get it going...

The siren looks exactly the same as the one in this thread located in the engine bay aswell. I have tested the siren - it works ok.

It has 3 wires attached to it - red, yellow and blue.

Yellow has constant 12V on it, red and blue have nothing. I thought blue would test continuity to ground but it didn't.

Traced wires back to inside under glove box. The boxes are the same as the pictures in this thread. The blue wire goes to the metal box, and the yellow to the plastic smaller box.

The red wire i haven't traced back yet as the wire goes over to the drivers side under steering wheel column.

As i cant afford to pay for a new alarm system which i want to get down the track anyways, i would like the siren to be working in the meantime...

Any advice on what i can do?

I would like to know what the 2 boxes are for? Im guessing maybe the metal box is for central locking?? It has 2 relays inside. I can post pictures later of the inside.

The remote for the alarm seems to be a brant system, but these 2 boxes look like factory parts? Bit confused...

Anyways any help would be appreciated...

Thanks,

James