BMW K bikes (Bricks)

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1Back to top Go down    Switch with lightbulb installment on Sat 02 Feb 2019, 04:12

Speedway

Speedway
active member
active member
Hi, I have a original Hazard light switch, three wires and light bulb, which I will be using for my extra beamlights. I want to modify and install so when switch is on I have the light on. Anyone a diagram/schedule for the connections?

Dont know how to insert a photo here!?

    

2Back to top Go down    Re: Switch with lightbulb installment on Sat 02 Feb 2019, 05:08

robmack

robmack
Life time member
Life time member


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
2011 Moto Guzzi V7 Racer
http://k75retro.blogspot.ca/
    

3Back to top Go down    Re: Switch with lightbulb installment on Sat 02 Feb 2019, 05:11

Speedway

Speedway
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active member

    

4Back to top Go down    Re: Switch with lightbulb installment on Sat 02 Feb 2019, 05:13

duck

duck
Life time member
Life time member
How many watts are the extra lights that you want to power?


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

5Back to top Go down    Re: Switch with lightbulb installment on Sat 02 Feb 2019, 11:27

Two Wheels Better

Two Wheels Better
Moderator
Moderator
@Speedway wrote:Dont know how to insert a photo here!?
Posting pictures & video to the forum - link


__________________________________________________

1987 K100RS, '93 Framed K11/K12 engine 'Big Block', '09 K1300GT, '07 K1200R, '95 R100 Mystic & '77 R75/7.

    

6Back to top Go down    Re: Switch with lightbulb installment on Sun 03 Feb 2019, 01:50

Speedway

Speedway
active member
active member
@duck wrote:How many watts are the extra lights that you want to power?
125 watt it say's, these are Led lights

    

7Back to top Go down    Re: Switch with lightbulb installment on Sun 03 Feb 2019, 02:44

Dai

Dai
Life time member
Life time member
10 amps on those wires is absolutely pushing it. You need to fit a relay to take the load.


__________________________________________________
'83 K100 upgraded to K100RS spec
Others...
'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: Switch with lightbulb installment on Sun 03 Feb 2019, 02:51

duck

duck
Life time member
Life time member
@Speedway wrote:
@duck wrote:How many watts are the extra lights that you want to power?
125 watt it say's, these are Led lights

125 watts? That's a huge amount of power for an LED light. Do you have a product name or link?


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

9Back to top Go down    Re: Switch with lightbulb installment on Sun 03 Feb 2019, 05:00

Speedway

Speedway
active member
active member
@duck wrote:
@Speedway wrote:
@duck wrote:How many watts are the extra lights that you want to power?
125 watt it say's, these are Led lights

125 watts? That's a huge amount of power for an LED light. Do you have a product name or link?

I have relais. But not sure is needed for these leds. The link:https://nl.aliexpress.com/item/2-stuks-125-W-12-V-3000LM-U5-LED-Transformeren-Spotlight-Motorfiets-Koplamp-Legering-Materiaal-Hoge/32954620459.html?spm=a2g0z.search0104.3.326.5c4222691yVqxF&ws_ab_test=searchweb0_0%2Csearchweb201602_3_10065_10068_10890_319_10546_317_10548_10696_10084_453_454_10083_10618_10304_10307_10820_537_536_10902_10843_10059_10884_10887_321_322_10103%2Csearchweb201603_6%2CppcSwitch_0&algo_pvid=69935ecf-d697-4352-8c10-86dc1d9d2e57&algo_expid=69935ecf-d697-4352-8c10-86dc1d9d2e57-45

    

10Back to top Go down    Re: Switch with lightbulb installment on Sun 03 Feb 2019, 05:19

duck

duck
Life time member
Life time member
They don't use 125W. They use 15W. (125W would be a ridiculous amount of power for an LED light.)

From the English listing for that item:

Light power: 125W
Actual power: 15W

Since they only use 15W each you can wire them directly through the switch and don't need a relay.

How I would wire them up:

Power them from the Green/Brown wire at the white alarm connector in the relay box. (That way they have fused switched power.)

Ground them through the switch:

Ground the brown wire from the switch to the main grounding point under the tank. (The bolt to the frame with lots of brown wires going to it.)

Attach the yellow/violet wire from the switch to the grounds of the lights.


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

11Back to top Go down    Re: Switch with lightbulb installment on Sun 03 Feb 2019, 05:35

Dai

Dai
Life time member
Life time member
What Duck says.


__________________________________________________
'83 K100 upgraded to K100RS spec
Others...
'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)
    

12Back to top Go down    Re: Switch with lightbulb installment on Sun 03 Feb 2019, 06:24

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Be aware that 15 watt LED lights are probably bright enough to damage your retina if you look at them too long. My 10 watt driving lights are pretty close to the intensity of a welding arc.

That brightness is great in traffic, but you need to be careful around them.


__________________________________________________
Present:
1994 K75RT
1994 K75S
1992 K100RS

Past:
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

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