battery and engine came on while engine running !

[4turbo]

hi all
i installed a 4efte engine on my corolla 1995 , everything good except one problem ! the battery and engine came on while engine is running
i need to know whats going on ? is it okay or what
does affect ? what is the best way to fix that
thanks all

 

[weeJohn]

Do you mean the lights on the instrument cluster came on? Check the battery voltage is good and the alternator is charging the battery when running. If the engine light came on you could do a diagnostic test, details of that are available in the awfully helpful section.

 

[wildchild]

your battery is not charging. either you have a loose connection in the alternator or else your alternator has burnt a diode or else its brushes are worn.
first check if your alternator belt is loose.