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1. 03:51 AM - Re: Mag Switch (James Clive)
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Hi, I don=99t think this is possible. I have a diagram where an
ACS keyswitch was used on an RV with a Lycoming.
When the key is =98L' it grounds the line from the right mag. The
ACS doesn=99t use power except for the start =99S=99
line but that is only =98momentary=99.
When the switch is on =98Both=99 it=99s not actually
doing anything. =98Off' grounds the lines to both mags.
At least that is how I thought to worked and as the diagram I have sent
to you suggests. So you need to use the grounding action of the ACS.
This is a bit chewy.
To get it to work so you need to fit a relay that will power the E mag
using normally closed contact.
Wire a supply to a normally closed contact and to the relay coil.
Feed the E-mag from the other side of the normally closed contact.
Take the ground of the relay coil to the =98R=99 connection
on the magswitch.
When you have the switch to both or L the power will still be there and
the E mag will work, when on R it will ground the relay circuit and the
coil will energise pull in the relay and the contacts will open to
isolate the power to the E mag. When the switch is to off it will ground
the right mag and it will ground the relay circuit and the coil will
energise pull in the relay and the contacts will open to isolate the
power to the E mag and stop the engine..
OK, that=99s how it works in my head, does that sound right
Bobby?, or can someone comment?
Maybe I should draw it...
Regards, Clive
> On 15 Jan 2015, at 22:51, BobbyPaulk@comcast.net wrote:
>
> List
> I am changing my left magneto to an E-Mag for easier starting. I would
like to use the ACS Keyed Ignition switch and put 12 volts to the left
side only when the key is on L or both. Don't know if this is possible
without putting 12 v. on both sides when on Both. Does anyone have a
wiring diagram?
>
> bobby
>
>
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