earthing kit
 

what are they for what do they atchually do

the blue wires from the battery

http://www.themgzs.co.uk/vb/showthread.php?t=5842

Don't know mate, but they look good even if they do nowt!!!

its mainly done for ICE installs....to help stop lights dimming...and to replace all the thinner OE wires with thicker cable

aparently they improve engine performance as well

looked in tot hem a while ago, the ricers swear by them

the earthing system on the ZS is shocking, I was looking at mine with Kev last night and the whole car is earthed to the battery through one tiny cable - and apparently if you put the car on full load, ie everything electrical turned on, it gets very hot!

I had an earthing kit on the ZR and it does stop all the dials going dim when the ICE was cranked up.

A worthwhile mod IMO, and it looks quite cool