clean it and see what happens:
www.team-integra.net
i recently replaced with intermotor brand and it was garbage.
bought the stealership unit and it's ok but not great. :/

DIY Ignition switch cleaning
HOW TO CLEAN YOUR SWITCH There has been many people that have been having problems with there ignition switch going out. Problems to look for speedo went to zero immediately. The starter motor would work just fine and get the motor up to about 1500 rpm quickly, but as soon as you...
i recently replaced with intermotor brand and it was garbage.
bought the stealership unit and it's ok but not great. :/