I don't know the rating on the circuit but I would think that this
one ought to do the job

http://www.jcwhitney.com/garage-pro-universal-ignition-switch/p3085959.jcwx?filterid=c1628d14387u0j1

On 29 Nov , 2012, at 12:32 AM, HotelWestfalia wrote:

> I would like to install a push button switch on the firewall to
> start the engine.  My question is; how many Amps it should be?  As I
> was looking at the wiring, I see 16A and 8A but maybe it can be less.
> Anyone?
> Thanks for any help.
> Zoltan