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I have a recently new to me 2008 Volvo xc70. After a day or so I noticed the main (high) beam wasn't working. At first I suspected blown lamps so I inspected and they seemed fine. Replaced fuse and all was good for a day, fuse blew again. Replaced lamps as a next step and replaced fuse. Lasted a day again. Initially it works fine, I even left the high beam on for 10 mins or so. Then when I came to use it the next day the fuse instantly blew, as if a short.
Yesterday I unplugged the lamps from the holder and replaced the fuse. Again, lasted a day or so.
The confusing bit is, if it was a short or earth fault id imagine it to be happening straight away, not work initially then randomly blow the fuse.
I'm abit stumped now. I'm thinking maybe I should investigate the relay?
any help would be appreciated
Yesterday I unplugged the lamps from the holder and replaced the fuse. Again, lasted a day or so.
The confusing bit is, if it was a short or earth fault id imagine it to be happening straight away, not work initially then randomly blow the fuse.
I'm abit stumped now. I'm thinking maybe I should investigate the relay?
any help would be appreciated