SOHC.co.uk Forums > CB500/550
Custom switches electrics
Noelia:
Hi all,
I want to replace the stock switchgear for the small switches of the pictures below, since it's all in one I would need also to put a new lever set including master cylinder and throttle grip.
I have no idea how to start with it. In each set there is a toggle on-off-on and a push momentary button... Only works while pressing it.
This switches can handle up to 4 Amps.
I thought about having the following:
Left hand switch - toggle for the indicators and ouch button for the horn
Right hand switch - toggle for hi/Lo beam and push button for the start
Would it work like this?
Due to the Amps that this switches can handle do I need to install relays? What kind? Where can I buy them?
Is there anyone that can guide me step by step on this? I live in Henfield West Sussex I can also pay someone to help me out doing this?
I would appreciate any help! Thanks!
Noelia
AshimotoK0:
Be careful with switch ratings Noelia as an AC rating is a lot different to a DC rating (much less capacity for DC particularly switching an inductive load (ie horn, coils etc). also bulbs (not LEDs though) have a massive inrush current from cold as they are low resistance when cold and increase as the filament gets white hot. You could use those switches fine but with automotive relays doing the main current switching.
These look cheap and OK on DC current.
http://www.ebay.co.uk/itm/5pcs-40A-12V-Car-Bike-5-Pin-Changeover-Relay-Switch-L4/391361666019?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140122125356%26meid%3D88ade15a7dba4195827fece27cc670cf%26pid%3D100005%26rk%3D5%26rkt%3D6%26sd%3D172054228471
I am too far away to help but we should be able to sort you out anyway.
Basically you need to connect 86 (coil) to an earth and switch the other coil connection (85) with the little switches. You then use terminals 87 and 30 to replace the contacts on the old switches. I would need to look at the actual switching arrangement on the 500/550 to work out the relay combination you require
ST1100:
Such tiny switches call for an m-unit:
http://motogadget.com/en/electrics/electronic-control-box-m-unit/m-unit/m-unit-digit-tastersteuerung-u-sicherung.html
Saves one having to set up an array of conventional relays...
Noelia:
--- Quote from: AshimotoK0 on January 24, 2016, 09:39:11 PM ---Be careful with switch ratings Noelia as an AC rating is a lot different to a DC rating (much less capacity for DC particularly switching an inductive load (ie horn, coils etc). also bulbs (not LEDs though) have a massive inrush current from cold as they are low resistance when cold and increase as the filament gets white hot. You could use those switches fine but with automotive relays doing the main current switching.
These look cheap and OK on DC current.
http://www.ebay.co.uk/itm/5pcs-40A-12V-Car-Bike-5-Pin-Changeover-Relay-Switch-L4/391361666019?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140122125356%26meid%3D88ade15a7dba4195827fece27cc670cf%26pid%3D100005%26rk%3D5%26rkt%3D6%26sd%3D172054228471
I am too far away to help but we should be able to sort you out anyway.
Basically you need to connect 86 (coil) to an earth and switch the other coil connection (85) with the little switches. You then use terminals 87 and 30 to replace the contacts on the old switches. I would need to look at the actual switching arrangement on the 500/550 to work out the relay combination you require
--- End quote ---
Hi Ash!
Thank you for your reply :)
So I would need 4 of those one for each button, are the standard relays?
That relay Wouk work for the switch that have 2 connectors but what about the toggle? It have three connectors...
I found this on eBay which is quite good.
http://www.ebay.co.uk/ulk/itm/221997448704
I can use this set up:
Left hand: toggle on-off-on (indicators) + push button (horn)
Right hand: Off-On-On Toggle switch (Off-Low Beam-High Beam) + push button start.
I will be losing the kill switch do you know if it's mandatory in the UK?
Thank you so much for the help :)
Noelia
Noelia:
--- Quote from: ST1100 on January 24, 2016, 10:03:47 PM ---Such tiny switches call for an m-unit:
http://motogadget.com/en/electrics/electronic-control-box-m-unit/m-unit/m-unit-digit-tastersteuerung-u-sicherung.html
Saves one having to set up an array of conventional relays...
--- End quote ---
I wanted to install the m-unit since I was re wiring the bike, but it is out of the budget for now, it is cheaper to put 4 relays than a m-unit.
But it is in the to do list for next winter.
Noelia
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