A lex
Original Poster
12,278 posts
120 months

As title,
Does anyone know the difference between the two types?
The car needs W3W side lights according to the manual  I have lots of W5W bulbs sitting around. Are they compatible? Google doesnt really help and image search suggests they look the same.
Insights welcome!


E30M3SE
7,757 posts
83 months


BrianMillar
191 posts
92 months

As far as I can tell they are both physically the same size.
One is a 3 watt W3W. The other is a 5 watt W5W
W3W is possibly a common American size. What kind of car is it for?
Beaten to it


A lex
Original Poster
12,278 posts
120 months

Gotcha cheers. 'Wedge 5 watt' makes sense I guess Its for a Jeep, so the American angle is correct. One more stupid question.... consequence of using a 5w, when it should be a 3w?


HellDiver
5,708 posts
69 months

A lex said: One more stupid question.... consequence of using a 5w, when it should be a 3w? Your bulb will be 2W brighter than it should be. None, basically.

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Stonebridge
42 posts
51 months

A lex said: Gotcha cheers. 'Wedge 5 watt' makes sense I guess Its for a Jeep, so the American angle is correct. One more stupid question.... consequence of using a 5w, when it should be a 3w? It will draw more current. Current drawn = power divided by voltage On a 12V system the 3W draws 1/4 amp. The 5W draws 5/12 amp


A lex
Original Poster
12,278 posts
120 months

HellDiver said: A lex said: One more stupid question.... consequence of using a 5w, when it should be a 3w? Your bulb will be 2W brighter than it should be. None, basically. Jolly good  saves me spending € on the heap Thanks


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