What is this transmission cable for?

[r3aktor.mk]

Do you know what is this cable from?
Its not fron the reverse light, its on the transmission and goess somewhere in the wiring loom, the wire snapped.
Some kind of sensor maybe?

http://imgbox.com/PANo52JQ

 

[Skinner_87]

That's your reverse sensor

 

[pollyp]

Neutral switch for ecu

 

[r3aktor.mk]

Neutral switch for ecu

What purpose it has?
Do I need to solder it back, or I can live withouth it?

 

[pollyp]

Ecu uses it for idle control. Not essential.

 

[r3aktor.mk]

Ecu uses it for idle control. Not essential.

tnx