hi coming to you from miami
i have an 09 silverado. so far ive put a flowmaster exhaust and hids.
im having a problem finding bulbs for the reverse lights the model # is 3047LL, but i cant find them anywhere. is there another bulb that fits those? i want to replace the reverse lights with blue ones and the front blinkers with green ones if possible. any help would be appreciated.

Same bulbs as the tail/brake lights. Hope this is an offroad vehicle only with blue and green lights.