1998 Corvette wipers comes on while in the off position. I changed the motor and the switch. Is there a relay some where? What should I do next?

  • Are they on all the time in the off position? Or is it intermittent? Sep 1, 2015 at 22:06
  • No they come on for a second when i start the car an while im driving,and they stop in the up right position,then they tart back for a few wipes an stop. Sep 1, 2015 at 22:11

1 Answer 1


The problem is probably your Wiper Motor Pulse Board Module (ACDELCO pn 12367295). This will control the behavior of your wipers. If any of the board has corrosion or a bad part on it, weird things can happen.

If you just replaced the wiper motor, this should have been included with it. It may be that you got a bad one.

  • thanks,and it is on the back of the wiper motor,corect? Sep 1, 2015 at 22:28
  • @cliffordparker - Yes. It's the black box which you connect the plug into which provides the power and direction for the motor. Sep 2, 2015 at 0:18
  • Thanks im takeing the motor back and get another one,the pulse board came with it,THANKS Sep 2, 2015 at 1:32

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