dash display issue
 

Hi all need help big time so many thanks in advance for the person peops who help me out here.
car volvo v40 98 1.8i
problem: dash diplay does not light up when side or dip beam are on meaning I cannot see the speedoe ect (bulbs all good).
For know All Id like to know is how to get them to stay on as long as ignition is switched on.
Basicaully I just need to know which wire to the dash display light to connect a feed to please. please please Im going spare and feel like scrapping it.

bump bump

I have engine lights on change oxgane sensor but lights still on something eles is my gas gage dos not work nither temprature

fixed