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Posted

O Learned Denizens, only my second post to your hallowed halls so please go easy on me.

2010 XF with halogen H7 headlight bulbs. Right hand failed a few months ago and I changed it without incident, apart from cursing the person who signed off that delicate tab on the top, which was pre-fractured of course. So I am notionally capable of changing a Bulb.

Left hand just failed, replaced the Bulb, no joy. Reading in the manual I see there are no fuses but instead a Field Effect Transistor protection.

So now I am baffled what to do next. Any pointers?

I'm OK with a multimeter but I need to know physically where I am pointing the multimeter and what a happy multimeter looks like.

Posted

Ah-ha!

Got the multimeter out today and patiently pinged everything through. Upon doing so, I discovered that in turning the headlight over I had foxed myself and swapped out the high beam Bulb instead of the low beam. I hadn't thrown the old Bulb away - because I thought it looked like a good one - so I just reversed my error and swapped the real blown Bulb.聽

Crisis averted! And some kind of lesson in hubris; it will teach me not to claim I can change a bulb again. 馃槈

  • Like 1
Posted

...at least you did only claim to be "notionally capable"!

As Eric Morecambe might have put it, The bulbs were all there, but not Necessarily in the right order!

馃ぃ

  • Like 1

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