old.
new from a 5th gen.

as this is what i want to achieve with the 4th gen as in the 5th gen.

Exactly what I did. Something like this: http://www.ebay.co.uk/itm/10x-White-31m ... 2ecbccd86dwurlycorner wrote:You can get LED festoon bulbs. Have you tried one of those in the existing holder?
I did this too. I measured the length and girth (indigolemon wrote:Exactly what I did. Something like this: http://www.ebay.co.uk/itm/10x-White-31m ... 2ecbccd86dwurlycorner wrote:You can get LED festoon bulbs. Have you tried one of those in the existing holder?
Just check it's the right length!