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  1. #1
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    Heated Rear Window fault finding ...

    Hi all,
    Any electricians around? My rear heated window is not working, however the wing mirror demisting is ok. Checked the fuse, which I believe covers both, and that is fine.
    Any ideas how to test the actual rear window element? And where is the connection ?
    Thanks all,

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  3. #2
    andybnwc's Avatar
    4th Gear

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    multimeter or test probe
    99 Nogaro S4 now black bonnet and roof,blackdiamond discs and pads,Hybrid K04 with uprated actuators ,Rs4 clutch custom lightweight flywheel, esp lightweight pulley set ,Rs4 intake pipes ,rs4 mounts ,full samco hose set,F-hose delete ,BMC carbon induction, full stainless exhaust with de cat pipes, custom chip,18"ultra lights,LED rear clusters,6000k xenons ,LED sides,KW coilovers,powerflex bushes ,Boost guage in pillar pod,isotta steering wheel and gearknob,B&M short shifter

  4. #3
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    Got one of those, any idea what sort of resistance i`m looking for ? Or maybe as long as its not to earth its ok ?
    I`m guessing i could read amps with meter in the ciruit to check the connection is ok ?

  5. #4
    "Stick a V8 in it!"

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    Put the meter in voltage mode and measure across the lugs on the screen with it on and see what you get.

    If you get a voltage, then turn it off, disconnect the supply cable, and measure across the screen in resistance mode to see if you get a reading.

    Its unusual for the entire screen to fail in one go, they usually drop "lines" over time.

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  6. #5
    jcb
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    i would check the wiring loom where the door opens and closes for any damage or breaks

  7. #6
    andybnwc's Avatar
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    check for power at the connector terminal in the corner of the screen if nothing i would start from the front ie maybe the switch is faulty.
    99 Nogaro S4 now black bonnet and roof,blackdiamond discs and pads,Hybrid K04 with uprated actuators ,Rs4 clutch custom lightweight flywheel, esp lightweight pulley set ,Rs4 intake pipes ,rs4 mounts ,full samco hose set,F-hose delete ,BMC carbon induction, full stainless exhaust with de cat pipes, custom chip,18"ultra lights,LED rear clusters,6000k xenons ,LED sides,KW coilovers,powerflex bushes ,Boost guage in pillar pod,isotta steering wheel and gearknob,B&M short shifter

  8. #7
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    ok thanks guys, i`ll start probing around

 

 

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