Nova heated screen

[yardsport rallying]

Hi
Ive just purchased a new but USED heated front screen for my GrpA Nova
Can somone please confirm how to wire it up ? It has 4 wires coming from it I take it 2 are earth and top two live ?
I will wire through a switchable relay
Cheers
Andy Forrest

[fearless]

Details can be found here

http://www.pngclub.com/forum/showthread.php?t=154598&highlight=heated+screen



Dave