Question about 1991 Mazda 323

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Rear defrost what would cause this to stop working. is it a common thing that happens

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Check the contacts with the screen, as these often corrode.Also that the earth contact is good. Carefully wiggle them off, apply a thin coat of vaseline, and push them on again.
Also check the main fuse is ok. The other causes to check are that there is power to the switch, that the heater relay is working, and that power is getting through to the heater.

Posted on Jan 08, 2009


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2002 dodge intrepid the rear defrost button light is always on my car battery wouldnt stay charged so I took the defrost relay out the light is still on but my car stayed charged next day no charge

Dear Deseree,
I would like to suggest you are on the right track.
Next, try to find the fuse for the rear defroster, and try pulling that. That light may be a lit because of the "instruments" fuse, and if you pull that one, your instruments may stop working.
Fuses are both under the dashboard and also in a black plastic box under the hood of the car near a fender.
I might suggest there are 3 more common things that can cause the battery to drain.
1) a short in the alternator can cause this problem.
2) a short in the ignition switch, and
3) a short in the computer itself.
God bless your efforts.

Jun 30, 2016 | 2002 Dodge Intrepid

2 Answers

Windshield wipers stop working when the defroster is on

The only thing they have in common is the ignition switch.

Dec 18, 2015 | 2007 Chrysler Sebring Sedan

1 Answer

Rear window defroster not working

Check obvious things first, fuses. Pull out your manual and look for locations. Second, there should be 2 wires going to the grid on the rear window defroster. Make certain they are still plugged in and the tabs have not been broken off, frequently happens at car washes when washing rear window. Third, take a close look at the grid of wire on the glass, looking for scratches. If scratched, you may be able to repair with a rear window defogger kit from your local auto store

Feb 06, 2015 | 2011 Ford Edge

1 Answer

Defrost just one side works

When you say defrost doesn't work, are meaning the blower or thermal defroster? If its the thermal defroster for the rear window this could be a fuse or the element has probably either stopped working or has come unglued from the window itself. This is a common problem. If its the blower for the front windshield defroster then it could very well be the actuator inside the dash that has malfunctioned and not opening when the selector is set at desired direction of circulation.

Oct 14, 2013 | 2004 Chevrolet Impala

1 Answer

Had heater blower on, rear defrost on lowered window

You need to check the ground wires to you engine block and chassis as these are the only things that share common wireing.

Oct 21, 2009 | 1994 Dodge Intrepid

1 Answer

My 2002 CRV has 103,000 miles....recently my left rear brakes would not release after stopping, causing the pads to samoke after a short drive....flushed the brake fluids....did my mechanic...

Is the problems fix on your car? if its not, take it back and have them fix it correctly and it is a safety factor. to answer your question, its Yes and No, its not a common thing with any car, but it can happens to any cars. some car will experience the same problems with low miles and some with very high miles. The caliper which has a working piston pushing the pad in and out causing lots of heat and friction therefor causing the piston and the seal to fail over time due to heat; on the race car its glow red like a stove. when you release the brake the pressure is then release from the line and the piston retract back along with the pad although in this case the piston did not retract and stay extended pushing the pad to the disc causing the wheel to smoke, it like driving with emergency brake on. Again is not a common thing but it does happens and can happens to any cars. hope that help...

Jul 16, 2009 | 2002 Honda CR-V

1 Answer

Headlights, wipers, rear defrost

sounds like a blown fuse. looke and the fuses under the drivers side dash by your left knee. there are also fuses under the hood. and are two very helpful sites for the 3000gt.

Jun 11, 2009 | 1998 Mitsubishi 3000GT

2 Answers

Rear defrost does not work

one little wire on each side of window sometimes they are loose or get unplugged check there and if not fuses if not relay in fuse box lid of that shows with and where it and they are good luck

Dec 23, 2008 | 2003 Chevrolet Impala

1 Answer


This is a good one. Get your hands on a wiring diagram. What you're looking for is a common wire that possibly links the radio, dome light, and defroster. You're looking for possibly a common power wire. Look for bad grounds under the dash. Mainly look for a common wire between the components. I have seen if one thing goes bad, it would effect things that you wouldn't think had anything to do with it. Honda is good about that.

Nov 15, 2008 | 1988 Plymouth Sundance

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