Sierra p100 rear fog lights,can someone tell me witch two light up when you turn the swich on please.I know they only work when the lightes are on,but mine don't and it's mot time in the morning.Thanks.

[Edited on 17/5/15 by generaldogsbody]

found them,its the bottom ones.just switched everything on, and the ones that didn't work is them.

[Edited on 17/5/15 by generaldogsbody]