plugs with no home

[kds1]

Hi guys me again with another question. I have found three plugs brown almost a rounded triangle and a black an white square near the passenger side firewall in the engine bay near the battery with no home to go too that can see hopefully you guy's can help me out cheers. I can't remember who said it but yes my first upgrade was a pod filter lol. Trying to post a pic of the plugs but pixles are too hight will post som latter

[kds1]

hears some pics

[Vectose]

Just test/unused plugs

[dstocks]

The black one in the second photo is not connected on the white version R I have either.

[kds1]

Thanks ill test them might be abs or traction control

[vipfto]

One is atmospheric pressure sensor other is a tap into wire for RPM

[silverGPX]

What were they used for standard?

[vipfto]

As i said above a tap in for revs and atmo pressure sensor factory as is

[payaya]

That's the plug to set your base idle!!