I just totally rewired a 402 40hp merc electric start. replaced most everything.stator,rectefier&switchbox.I am finally firing at spark plugs! my question to someone is,should voltage be present at the orang or salmon colored terminal on switchbox? I am getting about 8 volts dc with key in on position? I am scared to hook it up till I know for sure do not want to kill a 225 dollar switchbox!! can someone help?