排除法順序-電池，鏈接，啟動電路信號，起動機，如果這些查完還沒發現原因，那就是大麻煩了

所有跟帖： 

• check relay as well. -AstorsWood- ♂ (82 bytes) () 09/14/2023 postreply 12:54:52

• 這個已經屬於歸納的啟動電路信號那一步裏了 -mountrobson- ♂ (0 bytes) () 09/14/2023 postreply 16:00:03

• Thank you very much! -md2013- ♂ (0 bytes) () 09/15/2023 postreply 08:16:43