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hi David.
this is all i could find out. The fuse is the safety device that breaks the electric circuit if it exceeds the safe level. If your fuse blows then there will be no way to stop the electricity from reaching the windshield wipers. This will cause your wipers to constantly keep going. ... You can easily tighten it and the wiper problem should be resolved.26 Feb 2013
If your wiper fuse keeps burning out, your wiper motor might be failing which causes too much amperes required to turn the motor which in turn trips the maximum rated amperes of the fuse.
Follow the wiring of that fuse to your wiper motor to make sure the wiring is not nicked and grounding to the metal. Once you confirm that there is no shorted wire, disconnect the wiper motors wiring connector. Fuse a new fuse and if the fuse does not blow anymore then you isolated the problem which is the wiper motor causing the fuse to blow. Fix or replace the wiper motor.
When diagnosing blown fuses, I usually temporarily replace any fuse in a vehicle with a circuit breaker type fuse. If there is still a short somewhere in the wiring or the component itself in line with the fuse, the circuit breaker fuse will just trip and I just reset it again after I fix the problem. An advantage of keeping to replace a blown fuse while diagnosing.
Go to carhelpsite.com it is free as long as you click on 2 of the ads at the website then your questions will be answered by an ASE certified mechanic,you don't have to buy or fill out anything on the ads,so help keep the site free.
There is two place that you can check which would cause this problem. (1) the switch it self and the other is the (2) circuit board on the wiper motor. It's common for the solder on the circuit board where the wire harness clips on the wiper motor to crack and needs to be re soldered. You can buy the replacement at Auto Zone or you can re solder it your self to safe you the $15.00 for the board. If you give it a light tap and the wipers stop, then it's the circuit board. If it keeps working, then it's the switch on the steering column and you can get that at Auto Zone also and they will have the step by step instructions for you to get the hob done with common tools. Good luck and keep me posted.
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