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Re: Rear defroster on '83 Volvo 240 GL doesn't work
Check the actual connection at the rear window take it out and clean then/ check for power to that end/ if there is power then its the connection if there is no power going to the unit its the switch/ replaceing it shouldnt be to bad it should just pop out check where the clips are they are push in clips get a small flat screw driver/ please rate my response thank you very much
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There are 2 Plugs that go into the REAR Defrost. If one of them is off, then it will not work. If you broke the Electrical Track, then it needs to be repaired... They sell kits to do this at your local Automotive Repair Stores... Time consuming but easy to do.
dirty corroded ground either at wire to body or bulb socket where bulb is inserted look for dirt and corrosion.If available use a noid light and a brick to apply brakes to check for power at bulb socket
You're lucky it moves at all! The most common is for there to be gunk in the window switch. If you feel adventurous, it is easily possible to disassemble the switch and clean it up. Gently pry the surrounding trim up that holds the drivers master switches. There are spring clips at the front and rear that hold it in. You will see that it contains 4 identical switches. Gently pry out the drivers switch and unplug it from the harness. When you have the switch by itself, you will see the rocker is held on and pivots on two small pins on either side. Read carefully: When you do the following, be somewhere you can find small flying parts...not in the yard! With a small screwdriver, ever so gently pry the top hinge off of the pivot pin. When you do this, a tiny spring can fly off so go slowly! You'll probably see a mass of crud down in the guts of the switch and 2 silver BB's.Clean it all out w/ a solvent such as brake cleaner spray, replace the 2 BB's and spring and clip the top of the swtch back onto the pivots.
If this is more than you want to do, you can either buy a new switch or swap w/ a back window switch that works.
Check for vacuum leaks,pull off your intake hose and look for small cracks,also go to the rear of car and listen for you intank fuel pump,needs to making an humming sound,no sound or intermediate this can be your problem.
FRONT DEFROSTER IS VACCUM OPERATED, ON PASSENGER SIDE REMOVE PANLE TO THE CENTER CONSOLE, YOU'LL SEE A CANISTES SHAPED IN TENNIS BALS IN SECUENCE, START THERE TO CHECK FOR VACCUM PROBLEM.
REAR DEFROSTER/WIPER/WASHER ON HATCH.OPEN REAR HATCH ON DRIVER'S SIDE HINGE YOU'LL SEE A WIRING HARNES GOIN THROUGH USUALLY THAT HARNES BRAKES , LOOSING CONTACT TO ALL OF THE ELECTRICALS IN HATCH DOOR, EASY REPAIR. REMOVE HINGE GET SOMETHING TO HOLD HATC OPEN, LIKE LONG BROOM.PULL OUT HARNES AND REPAIR.GOOD LUCK