RE: Re: Electrical relays

["Benfield, John" <john.benfield@xxxxxxx>]

>John, you mention pre-heat, so I assume its a diesel gennie ?

Yes it's a diesel,

>I'm a bit concerned that you seem to want to keep the preheat
>energised for the duration of it running. This will burn out
>the glow plugs in no time at all !
>The glow plugs usually only need to be energised until the
>gennie is running.

I'm using the wrong term. I'm not quite sure what the circuit is doing,
however all I am doing is duplicating the actions of the key switch, so it
should cause any problems.

>Now on to your wiring again. Do you know what the 'on' contact
>resistance is of the switch/relay you are currently using ?

No idea what so ever. I'm going to do a load of measuring at the weekend to
see if I can get to the bottom of it. If I can't work it out, I'll just
swallow my pride and have to pay for an electrician.



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