Why are my wipers not working on my caravan?
Why are my wipers not working on my caravan?
So the FCM gets a digital command and grounds the control coil on the ON/OFF relay and to hot electrical contact in the switching portion of the High/Low relay. The High/Low defaults to the low speed when the control coil is NOT energized, so you get low speed operation.
How does a high speed wiper motor work?
When the driver switches the Multifunction Switch (MFS) to HIGH, the controller sees the request, sends a digital signal to the FCM, and the FCM provides ground to the control coil of the High/Low relay. The contacts move and power is switched to the high speed wire going to the wiper motor. What goes wrong.
Can a low speed windshield wiper still work?
Use your multimeter to bridge between the low speed terminals on the switch and the wiper motor; with the switch moved to “Low” you should get at least a 10-volt reading. If you do, the wiring is fine; if you do not, the wiring has failed. Repeat the exercise with the intermediate speed.
What to do if your front wiper doesn’t work?
The contacts move and power is switched to the high speed wire going to the wiper motor. What goes wrong. First, check the fuse to the front wiper ON/OFF relay. Next, check the fuse to the accessory relay that powers the FCM. If those are good, remove the ON/OFF relay and jumper across terminals 87A and 30 in the relay socket.
Why are my wipers not working on my Dodge Grand Caravan?
If you own a Dodge Grand Caravan, or other Chrysler products, and have a problem with the wipers or other similar accessories, you must first understand how these systems work. First, the switch does NOT connect or disconnect power to the accessory.
How to fix a caravan front wiper switch?
You need to remove the three screws for the plastic covers (2) that are around the steering column and covering the wiper switch. Unsnap the covers and remove them. Now, remove the two screws that hold the wiper switch assembly to the steering column and unplug the wire connector from the assembly. Now, the switch assembly needs to be taken apart.
Why does my car not have a wiper motor?
This is usually caused by the wiper motor not getting the power that it needs due to a bad relay. In most cases, a professional mechanic will replace the intermittent wiper relay and the controls at the same time to ensure all of the supporting connections work smoothly together.
When do windshield wiper blades only work one speed?
The windshield wiper blades have one speed. One of the quickest indicators that a problem exists with the intermittent wiper relay is when the wipers are not intermittent and only work at one speed.