Scheinwerfermann
Date registered: Oct 2006 Location: Budapest Vehicle(s): Too many to list
| RE: P21W vs P21/5w
No, you cannot. The two are not electricallly or physically interchangeable. I am guessing you are trying to increase the illuminated area of the tail lamp function, is that correct? There is a way to do it, but not by using a P21/5w bulb.
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