Question about replacing my dome light with PIAA
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I did this with a similar type of bulb (LED Festoon style, same shape as your PIAA bulb, but with LEDs in it) in my camaro.
If the new bulb is long enough, you can bend the end prongs in the housing in to "squeeze" the ends of the bulb and hold it tight. I think there is even a little indentation on the prongs that the pointy ends of the bulb can kind of sit in.
If the bulb is too small to fit between the prongs, you can solder some loops using electrical wire, like the factory bulb, on the ends of the new bulb to attach it to the housing.
good luck
If the new bulb is long enough, you can bend the end prongs in the housing in to "squeeze" the ends of the bulb and hold it tight. I think there is even a little indentation on the prongs that the pointy ends of the bulb can kind of sit in.
If the bulb is too small to fit between the prongs, you can solder some loops using electrical wire, like the factory bulb, on the ends of the new bulb to attach it to the housing.
good luck