Is the solution
 

to fixing my intermittent wiper issue maybe the wiper motor? It does not have any variation anymore, just thirty seconds. I have swapped out the relay, swapped out the knob. Woody and myself spent a little time swapping parts one afternoon a while back with no luck. I was removing the wiper motor yesterday to get an idea of where all the wiring meets looking for clues. I could not get the spindle shaft loose to remove the pump completely. Something has is it stuck pretty good. Anyhow, if I sprayed some CRC electrical cleaner back there would that be an issue? I am trying anything at this point. Can a Durametric turn this function off and on?