Car Back Window Heater Not Working

Repairing heater element with conductive paint.

Car back window heater not working.

Make sure the rear defroster switch and the ignition key are turned on. Trace the current path from the fuse to the switch to the timer and on back to the window. The heating and defrosting system rely on an electric blower motor to move the hot air into the cabin of the car and through the defroster vents. That is until something put a little nick or scratch in one of those delicate lines across the glass.

Heater windows radio wipers all work in the acc key position. Examine the fuse to see if it has blown. As it goes back and forth across the window everything comes on and shuts off. If it has replace it and test the heater again.

Use an ice scraper to scrape the windows both inside and out. Jumping the car or replacing the battery can solve this problem. Turn your windshield wipers on when you get in the car. It was widely accepted in the car business that a car more than 5 years old would likely have an inoperative rear.

Start the car and it all shuts off. Wipe up interior moisture and water droplets with. But the defroster became standard issue for rear windows and the world was a better place. How to defrost a car window without a heater step 1.

The battery could be the problem if you find that other aspects of the car are not working in addition to the defroster. If the new fuse. One possible cause for the heater not to work is a break in an element. Remember the timer will turn off the current within 5 to 10 minutes so you ll need to keep track of the timer s time window or you ll be looking for current that s not supposed to be there.

If this happens to be the case you can use a soldering gun to reattach them. If the light comes on you have power. Clip the lamp. However turn on the rear wiper and everything works as long as the wiper is not in the home position.

If the blower motor is malfunctioning the defroster will not work. There is a chance that you are missing terminal edges on your window heat grid. Issues can range from a blown fuse to a bad blower speed controller. Fixing a heated rear window fuse check.