Car relay replacement
Can I identify a faulty relay just by hearing a click?
A click does not prove the relay contacts and complete circuit are working correctly.

Car relay replacement — planning the work
For car relay replacement, a warning or failed electrical function can have several causes. Checks should connect the reported symptom to the supply, wiring, control or component involved before a replacement is chosen.
More questions
about this service.
Are relays interchangeable if they fit the same socket?
The electrical specification and pin arrangement must match the vehicle requirement. Do not assume so.
What should be covered at handover?
Check restored function, fault status and any further diagnostic work.
Car relay replacement by area
Select a place to view this service for that location. Please provide the postcode when you enquire.