To fix a rear defrost issue, start by checking the fuse related to the defrost system, as a blown fuse can prevent it from functioning. Next, inspect the wiring and connections for any damage or corrosion. If the fuse and wiring are intact, test the defrost switch and the defroster grid on the rear window for any breaks or malfunctions. If these components are working properly, you may need to consult a professional for further diagnosis or repair.
To repair the rear defrost in a 1999 Continental, first check the fuse related to the rear defrost system; if it's blown, replace it. Next, inspect the defrost switch for functionality and ensure the wiring and connectors are intact and free from corrosion. If the defrost grid on the rear window is damaged, you may need a rear defroster repair kit to fix any broken lines. If these steps do not resolve the issue, consider consulting a professional mechanic for further diagnosis.
The AC does not blow on the main front vents. Only rear and defrost.
No, the rear defrost is just an electric grid on the rear window. No air movement involved.
The 2005 Chrysler 300 rear window defrost relay switch can be found beneath the drivers side dashboard. The rear window defrost relay switch will be near the center console.
rub it
Try this simple fix. Put the window down then put it all the way back up. Over time and a few bounces the rear window settles down just a bit and this triggers a safety that prevents the defroster from running with the window down, only it's not down enough for you to notice it.
The rear window has probably been replaced at some point with one that has defrost. The rear window has probably been replaced at some point with one that has defrost.
If you can make the fan run by turning the speed switch to position 5 (hi speed) and make the headlights work by switching them on manually, replace the ignition switch in the steering column to cure this problem. It sounds odd, but that's the fix. Own one, been there, fixed that.
In situations like this it is best to have a diagram to help. A diagram rear defrost wiring system of a 1999 Sunfire can be found in its maintenance manual.
The fuse box is under the hood - the rear defrost should have a fuse, if that does not help - contact your nearest Toyota service or parts department......Mike
rear wiper, rear defrost
Either a break in power to the rear (i.e. fuse, relay, cut wire etc) or check the contacts on the rear window. They are prone to dislodge where they connect to the window.