Change the flasher. It will work for a few tries, then the bimetal strip gets tired and won't break the circuit. If you get the heavy duty model, it will flash from 1 to 6 bulbs, with no change in speed.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!