also something to check is that the sump has no sign of damage ie: a dent as this can alter the oil volume in the sump and can cause pick up problems,, had this one before...
just a thought
hi if im right they go up by the turbo drivers side past the heat shield, and attach to the loom on the drivers side strut, i think, they are just behind the hicas module.. i hope that helps,, been a while lol