hard to start
#7 , #9 in http://www.motoyes.net/bbs/viewthread.php?tid=328873 explains it
The stock one -turn key > button > start at once vs The "new" turn key > button > start after some second
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It won't explodes , just follow that "3 wire" image using "jumping" method in "test" . Real time change curve= switch installed
#2: 1.connect 2.connect 3.--- seems had best result in above link