probably the turn signal flasher it is located next to the fuse panel
Probably turn signal flasher is bad
I would check the switch inside the steering column.
have you checked your fuses?
Defective flasher relay.
check all your bulbs and fuses
bulbs are to small Check the fuses.
If the turn signals are not working properly on a 2002 Chevy Venture and the fuses seem to be alright, check for burned out bulbs in the turn signals. Also, check to make sure the turn signal flasher is working properly.
that points to a broken wire to the light, a bd ground wire or a bad light switch
Defective reverse light switch.
Go to AutoZone and look up your fuses in a book for the make and model.
Check the fuses or change the bulbs.
Replace the signal flasher relay.