|Originally posted by mkiker2089:|
Some bulbs can be used in different spots as well. 194, 921, and a few others are all the same base but not the same brightness. In a pinch it doesn't matter though and if you convert to LEDs you may want to shop around anyway.
Also most round base bulbs are the same. 6 usually means single contact and 7 means dual. The 1156 will work in almost all single pin locations even if there was a different number there before but may be brighter.
I think the 2057 is the same as an 1157 as well and 1157 is usually easier to find as gas stations stock the most common bulbs only.
bright bulbs means more heat and some places, more heat will damage parts. Higher watts can cause damage to marker light and others. 194 is hot enough does some heat damage anyway to marker lights.
Only dif between 2057 1157 is 1157 1 watt more tail light section.
LED are often dimmer or brighter than bulb you replace. Dimmer is big safety issue even when cop don't stop you. A little brighter is likely ok but too bright will cause glare problems, especially a night. Most EU countries set min and max bright levels for each fixture/job, Taillights, stop lights, etc.
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