hi all is it possible to swop a two way switch ie retracts up/ down for a three way switch as in on/off/on if so how would one go about wireing it up
regards,ice

i asked the elmod guys , they said its a easy mod ,just swop the 2 way for a 3 way but didnt say how

Since nobody else has jumped in....

Ice,
I'm not sure what exactly you want to do, from your question. The short answer is "yes", but the real question is will the circuit do what you want it to.

Significant issues are: how many wires and posts on the present switch ("retracts up/down") and does the present switch break a circuit or route power to a different wire?

From your description, the present switch sounds like a S.P.S.T. (Single Pole Single Throw), like the light switch on the wall. S.P.S.T. either opens a circuit or closes it (no power to load or power to load).

Your "on/off/on" sounds like a S.P.D.T (Single Pole Double Throw). Only one common (or power), single Pole. Two 'On's, double throw. One throw opens one side and closes the other, and vise versa the other throw.

You can replace a S.P.S.T with a S.P.D.T., but you are wasting one side of the more expensive D.P.S.T.
If what you already have is actually a S.P.D.T. (a on/b off in one throw and a off/b on in the other throw), Then, YES, you can replace the S.P.D.T. with a S.P.T.T. (a on/b off in one throw (say, toggle full left), a off/b off in the next throw (toggle center), and a off/b on in the last throw (toggle full right) as in 'on/off/on).

Clear as mud? Send more info on the circuit and we'll see if we can sort it out.

Splat

hi, cheers for the reply, the 2 way switch has 3 posts but the wires only go to two of them ,left and center it only has two wires going to it when i flick it one way the servo goes all the way to the left / when i flick it the other way it goes all the way to the right, i want to know if i can replace this for a 3 way switch , on /off/on, the 3 way switch has 3 posts, its for the elmod set up i want it so if i flick switch up the m/gun fires back to middle position it stops and if i flick the switch the other way the cannon fires and stops when flicked back to the middle, hope you understand that
regards,ice

Ice,
2-way switch has 3 posts, but only two wires.... The function is to either close the circuit (ON) or open the circuit (OFF).
Not familiar with el-mod, too expensive for me. Unless el-mod circuit has three wires (one source, or hot, and two loads,, or one load and one positive source and one negative source) you gain nothing by changing the switch.

Sorry I cann't be of more help.

If the el-mod circuit has two source wires and you can identify the servo drive wire in the existing circuit, the servo drive wire would go to the center post, and one of the two source wires would go to one outside post, the other source wire to the other post (electrically, it doesn't matter which source to wich outside post).

I think that you really need to talk to Darkith. He is the Guru of HL and compatible electronics.

Good luck,
Splat