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Thread: DIY: Replace/upgrade combination switch (wiper- and lightarm) [pic heavy]

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    DIY: Replace/upgrade combination switch (wiper- and lightarm) [pic heavy]

    Hi SL-I,

    For some reason I can't attach more than 5 images in one post, therefore this DIY has been split up in steps, on step in each comment

    I decided to do a DIY thread on replacing the combination switch i my BG. I have read on Forrester and Impreza forums that it is possible to get the adjustable wiper interval just by replacing the wiperarm/ stalk. Therefore I decided to try this, and bought a secondhand combination switch assembly from Germany (I am living in Denmark). So here it goes:

    Attention! This involves removing the drivers airbag, so be careful. I can't be responsible for anyone getting hurt removing their airbag!

    Tools required:
    • 10 mm open wrench

    • 17 mm socket and 150mm (6") extension

    • Ratchet for the socket

    • Philips #2 screw driver

    • Small flat blade screw driver (for stubborn connectors)

    • Torx 30 screwdriver

    • Torque wrench capable of 34Nm (25.3 ft-lb)

    • Light

    • Electricians tape (optional)

    • Masking tape (optional)


    Step 1:
    Disconnecting the negative battery terminal
    Name:  Batteripol.jpg
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Size:  375.7 KB

    Step 2:
    Remove the drivers side airbag, wait about 20 secs after removing the negative battery terminal before continuing to this step!
    Unscrew the two Torx 30 screws:
    Name:  Airbagskruer.jpg
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Size:  208.4 KB
    Pry off the airbag by putting your fingers behind the edge of the airbag:
    Name:  Træk airbaggen af.jpg
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Size:  402.5 KB
    Disconnect the connector for the airbag:
    Name:  Aftag airbag stik  med tekst.jpg
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Size:  135.4 KB
    Set the airbag aside on a safe location (I set it on the back seat)
    Last edited by MartinLarsen; 10-30-2016 at 09:53 AM.

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    Step 3:
    Disconnect the cruise control connector
    Name:  Cruisecontrol stik af.jpg
Views: 84
Size:  294.2 KB
    Make sure that the front wheels are pointing straight ahead! Then loosen the nut using the 17mm socket. Leave the nut sticking on with a few threads.
    Name:  Løsn møtrik rat.jpg
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Size:  457.8 KB
    Pull off the steering wheel, after this remove the nut and washers.
    Name:  Træk rat af med møtrik på.jpg
Views: 86
Size:  362.7 KB

  3. #3
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    Step 4:
    Remove the steering column cover by unscrewing the 4 philips screws
    Name:  Ratstamme indækning m skruer.jpg
Views: 84
Size:  146.6 KB
    When removed, remove the clockspring from the steering column
    Name:  Lad den øveste inddækning sidde m skruer.jpg
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Size:  159.2 KB
    You can keep the clockspring from rotating with a piece of masking tape
    Name:  Tape på clockspring.jpg
Views: 85
Size:  286.8 KB

  4. #4
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    Step 5
    Remove the lower dash cover to unveil the connectors for the combination switch
    Name:  Fjern dæksel over pedaler m skruer.jpg
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Size:  168.2 KB
    Locate the zip tie style wiring holder holding the loom for the combination switch
    Name:  Strips til ledninger.jpg
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Size:  345.2 KB
    Name:  Åben strips til ledninger.jpg
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Size:  284.9 KB
    Disconnect the 3 connectors shown in the picture below
    Name:  De tre stik der skal tages fra.jpg
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Size:  345.3 KB
    Remove the cruise / airbag loom from the combination switch loom (taped on with electricians tape)
    Name:  Skær clockspring wiring fri fra combination switch loom.jpg
Views: 83
Size:  343.4 KB

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    Step 6:
    Remove the combination switch by removing the 2 screws
    Name:  Fjerne combinations kontakt m skruer.jpg
Views: 83
Size:  140.6 KB
    Attach the new combination switch
    Name:  På med den nye.jpg
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Size:  316.9 KB
    Line up the holes and install the screws
    Name:  Pas hullerne til.jpg
Views: 85
Size:  256.7 KB

  6. #6
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    Step 7:
    Connect the wiring and put it back in the zip tie style holder
    Name:  Tilslut stik og sæt loom ind i stripsen.jpg
Views: 83
Size:  422.8 KB
    Mount the clockspring
    Name:  På med clockspring.jpg
Views: 83
Size:  351.6 KB
    Remove the tape from the clockspring
    Name:  Tag tapen af.jpg
Views: 83
Size:  323.6 KB
    Reattach the steering column covers
    Name:  Saml ratindækningen.jpg
Views: 84
Size:  344.9 KB

  7. #7
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    Step 8:
    Attach the lower dash cover
    Attach the steering wheel and fish the wires to the airbag and cruise control through the wheel
    Name:  Sæt rat på og fisk ledningerne gennem.jpg
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Size:  338.2 KB
    Place the washers and nut on the steering column
    Name:  Møtrik på 1.jpg
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Size:  210.2 KB
    Torque the nut to 34Nm (25.3 ft-lb)
    Name:  Spænd rat med 34Nm.jpg
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Size:  379.0 KB
    Reattach the airbag by connecting the connector and screwing in the 2 Torx 30 screws
    Name:  Monter airbag.jpg
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Size:  359.7 KB
    Reconnect the negative battery terminal and enjoy your adjustable wiper interval, as an added bonus; this mods enables the instrument light dimmer!
    Name:  Batteripol.jpg
Views: 84
Size:  375.7 KB
    Last edited by MartinLarsen; 01-21-2017 at 05:03 PM.

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