Originally Posted by JimFX4
It sounds like, to me, that you either have a bad switch or that your motor has a short or the linkage is tight and causing the breaker to open. The motor has a built in breaker just incase there is high resistance (heavy snow on windshield or wipers are frozen to windshield). This prevents you from buring up the circuit. Once the breaker cools it will reset and the motor will work once again. The switches also fail easily- the contacts could be dirty which would make a poor connection. Use an ampmeter and check the current drsw while it is operating- your wiper linkage might need cleaned and lubricated. 13 years of weather can do nasty things to metal.
Thanks what switch are we talking about. The lever on the column or somewhere else. Like I said, the wipers work fine when they are operated with lever on the column. One thing I forgot to mention when the come on by themselves, they operate in the slow speed.