BMW K bikes (Bricks)

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1Back to top Go down    Wire to headlight socket color? on Thu May 18, 2017 2:58 am

nino


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I am a little bit lost in connecting new H 4 socket. I have to connect it properly but after cut od wires I am confused: Which wire goes to left side of socket, which goes up in the middle, which goes to to right, looking from behind. Instalation is from early K 100. Three wires: grey green, black red, grey red
Thanks in advance

    

2Back to top Go down    Re: Wire to headlight socket color? on Thu May 18, 2017 3:41 am

Inge K.

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@nino wrote:Three wires: grey green, black red, grey red
Thanks in advance

These colours is not OEM, and not after the DIN standard which is used.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

3Back to top Go down    Re: Wire to headlight socket color? on Thu May 18, 2017 3:49 am

Inge K.

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@nino wrote: Which wire goes to left side of socket, which goes up in the middle, which goes to to right, looking from behind.

Left: Brown...ground, middle: yellow...low beam, right: white...high beam.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

4Back to top Go down    Re: Wire to headlight socket color? on Thu May 18, 2017 3:50 am

RicK G

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Have relays been fitted Nino that may explain the different colours.
The wires should be Brown for earth/ground White for Hi Beam and Yellow for Lo beam.


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"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats." from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

5Back to top Go down    Re: Wire to headlight socket color? on Thu May 18, 2017 4:43 am

nino


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Thanks problem solved. I am not aware of any headlight relay on bike. if there is one must be in relay box.

    

6Back to top Go down    Not shure still on Thu May 18, 2017 5:32 am

nino


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Still not shure


On the new socket i have red wire left, yellow wire center up and blue wire right which I have to connect


with grey green, black red, grey red

    

7Back to top Go down    Re: Wire to headlight socket color? on Fri May 19, 2017 7:37 am

Dai

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You will need a voltmeter/multimeter or alternatively, a 12 volt bulb in a socket with two flying leads.

Look at the back of the new socket: the red wire is earth (!!!), the yellow wire is dip beam and the blue wire is high beam.

With a voltmeter, on the bike:-

1. Turn the lights on to dip beam
2. Check for voltage on all three wires. Whichever colour has 12 volts on it is the dip beam - connect to the yellow wire on the socket
3. Turn on high beam. Again, check for 12 volts. Whichever colour has 12 volts on it is the high beam - connect to the blue wire on the socket
4. The 'other' wire is earth - connect it to the red wire on the socket.

If you only have a bulb for a tester, do the same as above but earth one side of the bulb to the bike. If the bulb lights, you have 12 volts on that wire.


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'83 K100 upgraded to K100RS spec
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'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

8Back to top Go down    Re: Wire to headlight socket color? on Fri May 19, 2017 12:29 pm

Crazy Frog

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Here is a typical H4 socket:


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1986 k75, 1985 K100rt, 1985 K100rt/EML sidecar.
    

9Back to top Go down    Re: Wire to headlight socket color? on Fri May 19, 2017 1:01 pm

nino


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Thanks, problem solved. With new voltage regulator H 4 looks brighter

    

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