With the FADEC system the fuel pump is controlled by a relay - the control is then Auto, Off, On with a traditional 2-1 toggle switch - I'm going to change things slightly and use a 2-10 switch which means I can have Off, Auto, On which makes a bit more sense to me. The relay itself is a bit strange in that it doesn't have 'proper' terminals so I soldered pigtails on and used a 6 way molex connector. I notice some of the other FADEC guys have done similar - good solution. | 
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