Any ideas what this was/is?

[AndPow68]

[attachment=0:14q4ai00] ia0 IMG_6122.JPG ia0 [/attachment:14q4ai00][attachment=1:14q4ai00] ia1 IMG_6121.JPG ia1 [/attachment:14q4ai00]

Thought this was just a blank plate where  traction control switch would be fitted but when I removed it I found purple/silver brown/silver wiring behind.

Any ideas what wiring could be? I was thinking of using this position for for the aerial switch mod.

Thanks

[SteveJ]

Toyota factory fit alarm LED.

[AndPow68]

Many thanks