check the wires and switch and maybe relay
How do I change the nearside headlight bulb on my Vauxhall Vectra 2007
remove the air filter box
To change the headlight bulb on a 2006 Vauxhall Vectra, first, open the hood and locate the headlight assembly. Remove the cover or dust cap from the back of the headlight unit. Disconnect the electrical connector from the bulb and carefully twist the bulb holder counterclockwise to release it. Replace the old bulb with a new one, ensuring not to touch the glass part, and then reverse the process to reassemble.
To change the headlight bulb on a Vauxhall Vectra, first, ensure the vehicle is turned off and the keys are removed. Open the hood and locate the back of the headlight assembly; you may need to remove a cover or access panel. Disconnect the power connector from the bulb, twist the bulb socket counterclockwise to release it, and carefully pull out the old bulb. Insert the new bulb without touching the glass, reassemble the socket, and reconnect the power connector before closing the hood.
ask mr troll
can you change the reflectors on a 2007 vectra
H1
What is the name of my great uncle?
To change the indicator bulb on a Vauxhall Vectra, first, ensure the vehicle is turned off and the keys are removed. Open the hood and locate the headlight assembly; you may need to remove any covers or screws. Twist the bulb holder counterclockwise to release it, then pull out the old bulb and replace it with a new one, ensuring not to touch the glass of the new bulb with your fingers. Finally, reassemble everything and test the indicator to make sure it’s working.
Exact instructions vary depending on the bulb in question.
Read the manual
it m eans that either a bulb has blown or there is a fault on the lighting circuit