2012 Chrysler 200 Support Question
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Question posted by leannwoods on February 4th, 2014
Windshield Wipers Do Not Work
Current Answers
Answer #1: Posted by BusterDoogen on February 4th, 2014 12:02 PM
The reasons for dysfunctional wipers can be classified into two categories: mechanical or electrical. One needs to check for both cases. Here are troubleshooting tips in the order of likelihood.
Blown Out Car Fuse
A blown up car fuse could be the culprit that has stopped the wipers in their tracks. Check the fuse assembly under the dashboard or the engine compartment. You car manual will provide you with the exact location and number of the fuse. The cause might be messed up wiring or a shorted motor armature. So it would be helpful to check the wiring, along with the motor, before you replace the fuse or else history will repeat itself. Make sure to fit a fuse with the precise ampere rating, recommended for your car.
Shorting or Break in Connecting Wires
Firstly, check all the motor wires for continuity using a digital multimeter. If the measured resistance is infinite, you have a broken wire for sure. The connecting wires of the motor sometimes go loose or short accidentally, bringing things to a standstill. Connecting the loose wires properly or fixing/replacing them may solve the problem. When making these connections, refer wiper assembly circuit diagram, provided in the car manual.
Wiper Switch
Another wiper assembly part that can malfunction is the switch. If there's smoke from the steering column, this is most likely the case. To check the switch wiring assembly, you will have to remove the steering column cover and locate the wires leading to the switch, using the car manual. The smoke might be a result of burned insulation, due to shorting. If the problem is restricted to wiring, replacing it should do the trick. Otherwise, you might need a switch replacement.
Friction Issues
Due to corrosion, swelling and wearing out, some of the mechanical parts may cause friction. This includes the wiper shaft jamming, crumbling bushing and mounting blocks that have begun disintegrating. While the shaft needs to be dissembled, cleaned, brushed and lubricated (preferably with silicone grease), the bushing, as well as mounting blocks will need a replacement. Bent wiper arms can hamper overall operations. If they are bent beyond repair, get them replaced immediately!
Wiper Motor
Motor is the driving force of the wiper. Listen for a humming sound from the motor. If there is no humming and body's cold, the motor might be a problem. Using a multimeter, check the voltage at the motor's power terminals. If the voltage at those points is less than 12V, we have a power connectivity problem, which can be solved by replacing the connecting wires or checking for fuse connection. Again, having a circuit diagram of the motor in front of you, would be helpful.
If the detected voltage at terminals is 12 V and the motor doesn't hum to life, a replacement is surely on the cards. Unless you are an old pro at electronics, it's not recommended that you fix the motor on your own. Hand it over to a repair center for fixing or simply get the motor replaced.
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