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Relay-Wired George.
Moderators: KeithZ1R, chrisu, paul doran, Taffus
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wilsonsjw11
- Hardcore
- Posts: 1317
- Joined: 18th Jul 2008
- Location: West Sussex/Central London
wilsonsjw11 wrote:The diode would be within the relay housing.
Regards
Steve
Yes I understand that Steve but where's the diode protection in a standard system if you don't do the wired George mod....the point being why do you need one because of the mod as the surge is there anyway?....
Last edited by z650freak on Sat Nov 29, 2014 11:56 pm, edited 1 time in total.
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wilsonsjw11
- Hardcore
- Posts: 1317
- Joined: 18th Jul 2008
- Location: West Sussex/Central London
z650freak wrote:Steve...have you read that one is needed with a diode somewhere or are you being cautious(nothing wrong with that
)
There has been a thread on this subject before and it was mentioned then about the diode, I believe the reason given was that the diode would prevent the field collapsing.
Regards
Steve
electricity is generated by a wire passing through a magnetic field (or vice versa) When the coil on a relay is energised a magnetic field is created closing the relay.
when the relay is switched off from on, the field collapses and passes through the relay coil generating a voltage spike. Bear in mind this is the same principle as your ignition coil.
the diode provides a short circuit to earth for the energy generated to go straight to earth not into the main electrical system.
when the relay is switched off from on, the field collapses and passes through the relay coil generating a voltage spike. Bear in mind this is the same principle as your ignition coil.
the diode provides a short circuit to earth for the energy generated to go straight to earth not into the main electrical system.
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Taffus wrote:electricity is generated by a wire passing through a magnetic field (or vice versa) When the coil on a relay is energised a magnetic field is created closing the relay.
when the relay is switched off from on, the field collapses and passes through the relay coil generating a voltage spike. Bear in mind this is the same principle as your ignition coil.
the diode provides a short circuit to earth for the energy generated to go straight to earth not into the main electrical system.
My reading of that then is that a diode isn't necessarily needed but is belt and braces....
wilsonsjw11 wrote:z650freak wrote:Steve...have you read that one is needed with a diode somewhere or are you being cautious
There has been a thread on this subject before and it was mentioned then about the diode, I believe the reason given was that the diode would prevent the field collapsing.
Regards
Steve
Haven't seen that one Steve. Think it may just be someone's slant on the problem....
http://www.vehicle-wiring-products.eu/p ... with-diode
The diode is really only necessary if the relay coil is electronically switched but for what it costs it does no harm.
The diode is really only necessary if the relay coil is electronically switched but for what it costs it does no harm.
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