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Changing interior lights to LED, blown fuse? what fuse?


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Posted

So, bought a couple of LED bulbs to replace the interior ones as a 'quick' upgrade.

 

Popped out this morning, removed the cover and replaced the bulbs. couple of mins max.

 

Now, neither the interior lights nor the mirror lights work.

 

OK, must have blown a fuse I thought..

Popped off the fuse cover, located what I thought was the right one, took it out and it looked fine.

Turned on the ignition and the radio/satnav didnt come on.

Weird..

 

Popped the fuse back in and radio comes on again.

 

So, is the diagram on the back of the fuse box cover completely wrong?

Where is the fuse for the interior/mirror lights?

 

I have a copy of the maintenance manuals, and the fuse block looks right in this diagram

terminalblock.png

 

Just doesnt say what each one does!

 

Much appreciate any help.

Posted

Maybe it's not a fuse and that other thing that can blow that I can never remember the name of and can be costly to fix?

 

Hopefully someone will be along shortly to advise you better than I can :thumbs:

Posted

Maybe it's not a fuse and that other thing that can blow that I can never remember the name of and can be costly to fix?

 

Hopefully someone will be along shortly to advise you better than I can :thumbs:

BCM. but I doubt its that seeing as they don't work at all. Normally a busted lights section in the BCM just kills the auto on-off dome lights facility.

 

Secret fuse box by the battery perhaps?

Posted

Just got to the fuse box behind the battery (great location!)

 

Nothing obvious from what I can make out on the diagram

 

Anyone got a list of what all the fuses actually link to?

 

BTW, noticed the boot light is out too, so all interior lights

 

Defo sounds like a fuse to me....

Posted

Have you tried putting the replacement led lamps in the other way round? ;)

 

Have you tried putting the old lamps back in to confirm that the fuse has blown? I assume they were working beforehand?

Posted

Located the fuse, its No18 in the box by the accelerator

 

Replaced it and the left hand side LED worked for a second, and then pop; fuse gone again.

 

Put the old bulbs back in, and another fuse, and I have a working left hand side map light but the right hand one isnt.

(swapped bulbs around to confirm this)

 

Left hand one works as it should, either by switch or by the door.

 

Any idea why the right hand one is dead?

 

@Beavis - maybe me being stupid here, LED lamps have a wrong/right way of installing?

Posted

Make sure your not using LED bulbs with the heat shield on the rear as it will short and blow a track on your BCM, this will then have to have a wire soldered on to sort it.

 

Bad: http://www.ebay.co.uk/itm/39mm-3-SMD-5050-Pure-White-Dome-Festoon-CANBUS-OBC-No-Error-Car-3-LED-Light-Bulb-/330928707508?pt=UK_Motorcycle_Parts&hash=item4d0ce357b4

 

I used these and work perfect with a lovely white light:

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=281052978818&ssPageName=ADME:L:OC:GB:3160

  • Like 1
Posted

Looking at the interior light wiring diagram

350zinteriorlamp.jpg

 

Both lights take the same feed, so doubt its anything to do with the BCM

 

Suspect I've knackered something in the light itself

Posted

 

On the way to work this morning, the right hand side map light came on after about 10mins driving.

Stayed on for about 2-3 seconds and then died again!

 

I have no idea what this could be

 

From the wiring diagram, if one light works the other should do to

 

 

Posted

Mystery solved.

Obvious when I think about it logically.

 

This is the culprit

IMG_03451.jpg

 

The actual switch is dead

Swap them around and the right hand side works fine.

 

Now, need to find where to buy a replacement

Any ideas?

 

IMG_03461.jpg

Posted

Make sure your not using LED bulbs with the heat shield on the rear as it will short and blow a track on your BCM, this will then have to have a wire soldered on to sort it.

 

Bad: http://www.ebay.co.u...=item4d0ce357b4

 

I used these and work perfect with a lovely white light:

http://cgi.ebay.co.u...ME:L:OC:GB:3160

 

Phew..!! I just ordered some from eBay..fortunately I have ordered the correct ones...Didn't know about the heat shield problem. .. :thumbs:

Posted

Managed to get hold of a replacement unit off eBay and ordered some proper bulbs to go in it.

 

So, anyone else who is daft enough to do the same; I'll have a spare switch!

Posted

Managed to get hold of a replacement unit off eBay and ordered some proper bulbs to go in it.

 

So, anyone else who is daft enough to do the same; I'll have a spare switch!

 

So it was the switch then ?

 

How did you get the covers off the interior lights do the whole unit come out of the car roof including the sunglasses case. ? :teeth:

Posted

Managed to get hold of a replacement unit off eBay and ordered some proper bulbs to go in it.

 

So, anyone else who is daft enough to do the same; I'll have a spare switch!

 

So it was the switch then ?

 

How did you get the covers off the interior lights do the whole unit come out of the car roof including the sunglasses case. ? :teeth:

 

Surprisingly easy.

Insert a small screwdriver into the surround of the map light unit.

There are 4 clips, 2 on each side.

The unit then just pops out and is connected via the usual 350z plug type.

The switches themselves just push on/pull off.

 

 

  • Like 1
Posted

To change the bulbs the whole unit doesn't need to come out, just the clear plastic covers

 

Yep, but further up the post you will see I managed to blow one of the switches in the unit.

Needed to replace that, which needs the unit removed to get to the back.

Posted

replacement bulbs and light unit arrived, so took a few snaps replacing the switch

 

Easing out the unit

91cf43299d31ed391c8d45d29abe8e94.jpg

 

The connecting wire clip

eeef2a1e9bf04f8f089c9fe654bf04a9.jpg

 

Working LED lights :-)

f34986c8c444a44f4967f73bed2f3299.jpg

 

Great pics thanks. Will do mine tomorrow. :thumbs:

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