BMW K bikes (Bricks)

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1Back to top Go down   3 unknown connectors? Empty 3 unknown connectors? Fri Mar 12, 2021 2:34 pm

JiiPee63

JiiPee63
active member
active member
Hi there,

I am finally putting parts back on the frame and the bike starts to look like a bike Very Happy. Fairing (all parts of it)  are at the paint shop. Will get them back on May - perhaps. While installing electric parts and wiring harnesses, I found three connectors for which I could not find a mating piece. Can anyone tell me what these are for? The connectors are circled in the pictures. 

Thanks in advance.
3 unknown connectors? Connec10
3 unknown connectors? Connec11
3 unknown connectors? K100rs10


__________________________________________________
1986 K100RS 0089906 (Black 608)
Ex - 1984 K100RS (white), 1986 Suzuki GR650
    

2Back to top Go down   3 unknown connectors? Empty Wiring Fri Mar 12, 2021 6:14 pm

daveyson

daveyson
Life time member
Life time member
Can't see the wire colours, but I'll say the two pin connector is for heated hand grips (optional) the three pin, upper in the second pic, hazard lights (optional)  and the four pin to the ignition switch. They could be confirmed with a coloured wiring diagram.

Heated grips.  green/black
                          brown

Hazard.            yellow/violet
                         white/blue
                         brown

Ignition.            red
                         grey/blue
                         green
                         grey



Last edited by daveyson on Fri Mar 12, 2021 7:04 pm; edited 4 times in total (Reason for editing : OK, finally lined the columns up.)


__________________________________________________
11/1985 bmw k100rt (late model)  Vin. 0090567
 ~120,000 km
    

3Back to top Go down   3 unknown connectors? Empty Re: 3 unknown connectors? Fri Mar 12, 2021 6:43 pm

Point-Seven-five

Point-Seven-five
Life time member
Life time member
In the second photo, the lower switch probably is for the "choke" switch. Does the yellow "choke" light come on when you turn the "choke" on?

It would help a lot if you could take some photos that show the wire colors.


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

4Back to top Go down   3 unknown connectors? Empty Re: 3 unknown connectors? Fri Mar 12, 2021 7:50 pm

92KK 84WW Olaf

avatar
Life time member
Life time member
Heated grips is 3 wire on K1100. Had to replace switches on mine. Same one for K100.

Is there ABS on that K?

Under tank left side clutch switch? Location fits. But same connector for brake switch and choke switch.

.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011171 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 37,190 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 39.885miles.

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

5Back to top Go down   3 unknown connectors? Empty Plugs Fri Mar 12, 2021 8:17 pm

daveyson

daveyson
Life time member
Life time member
I'm a bit wondering if it's later model wiring (and Vin) with early model frame? Then again I was struggling just to get the columns lining up.

I think I see early model tank support brackets on the frame. On my early model (and late model and wiring diagrams) the heated grips has two pins. They are flat pins in a T arrangement as in the photo.  It has round pins for the choke switch which are a bit further down the loom.


__________________________________________________
11/1985 bmw k100rt (late model)  Vin. 0090567
 ~120,000 km
    

6Back to top Go down   3 unknown connectors? Empty Re: 3 unknown connectors? Fri Mar 12, 2021 8:24 pm

Laitch

Laitch
Life time member
Life time member
@daveyson wrote:Can't see the wire colours . . .
@Point-Seven-five wrote:It would help a lot if you could take some photos that show the wire colors . . .
What color are the wires to each of those connectors, JiiPee?    Laughing


__________________________________________________
1995 K75 81,000 miles
3 unknown connectors? Usa-lo10
    

7Back to top Go down   3 unknown connectors? Empty Plugs Fri Mar 12, 2021 8:59 pm

daveyson

daveyson
Life time member
Life time member
I think I can see the clutch plug above the red circle, and the sneaky little choke plug hiding under the hazard plug.

Mine has the brake plugs on the right side.


__________________________________________________
11/1985 bmw k100rt (late model)  Vin. 0090567
 ~120,000 km
    

8Back to top Go down   3 unknown connectors? Empty Re: 3 unknown connectors? Sat Mar 13, 2021 6:23 am

Dai

Dai
Life time member
Life time member
Yes to this ^^

Assuming K100 and not K1100: top to bottom 

- additional instruments
- hazard switch
- heated grips

Colours as per Daveyson.


__________________________________________________
1983 K100 upgraded to K100RS spec, 1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

9Back to top Go down   3 unknown connectors? Empty Re: 3 unknown connectors? Sat Mar 13, 2021 11:03 am

JiiPee63

JiiPee63
active member
active member
Thank you for your valuable comments Very Happy

There is no ABS in my bike - museum quality Laughing . It seems that 2-pin (T-arrangement) and 3 pin connectors match with Daveyson's wire colouring. 

Instead, the colors of the white flat connector wires are as follows:
- braun
- blue/gray
- yellow
- green/black (there are 2 g/b coloured wires in a same pin)

I am pretty sure, that I have connected every switch, sensors and so on that I have in my bike. Have I forgotten/lost something? Those two small connectors I do understand now, but I am a bit confused about the flat white connector. I took hundred pics during the dismantling, but - of course - no specific pics about that area. Embarassed

Any ideas?



Last edited by JiiPee63 on Sat Mar 13, 2021 11:19 am; edited 1 time in total


__________________________________________________
1986 K100RS 0089906 (Black 608)
Ex - 1984 K100RS (white), 1986 Suzuki GR650
    

10Back to top Go down   3 unknown connectors? Empty Plugs Sat Mar 13, 2021 11:14 am

daveyson

daveyson
Life time member
Life time member
Yep, like Dai mentions, its for additional instruments (optional) for example for a fuel level gauge connection.


__________________________________________________
11/1985 bmw k100rt (late model)  Vin. 0090567
 ~120,000 km
    

11Back to top Go down   3 unknown connectors? Empty Re: 3 unknown connectors? Sat Mar 13, 2021 11:32 am

JiiPee63

JiiPee63
active member
active member
Thank you all for your help Big thumb


__________________________________________________
1986 K100RS 0089906 (Black 608)
Ex - 1984 K100RS (white), 1986 Suzuki GR650
    

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