Question about Nissan Sentra

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My 94 sentra was having sudden pulsing of lights, and fan, raido blinked, drove to one store, truned it off, restarted just fine, drove across the street, tried to restart 15 mins later, no start, battery dead. replaced battery today, still no start,

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  • lisaduffy Dec 12, 2009

    when i first discovered the car wouldnt start i tried to jump start it, but it would not even charge enough to start it up. i am having the alternator replaced tonight.

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Your approach to solve this problem is wrong here.You cannot replace parts just like that as this may end up costing you a fortune.Before you replace the battery, did you test if the battery is still holding charge?Now have you tested if the alternator is functional? There is no point to change this alternator if the engine is not starting, check the spark going to the spark plugs and work your way back to the coil etc..Also a diagnostic tool would help to read any error codes from the car.On overall it seems an electric issue here due to the fact you mentioned radio blinked, pulsing of lights etc.Hope this helps.

Posted on Dec 13, 2009

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You need to have the alternator repaired or replaced.To verify this you can boost the car[make sure to put the cables on the right battery posts,red to positive and black to negative].Start your car and if it quits again when you take off the jumper cables then it is your alterator,or fan belt or wireing to the alternator.Have the battery that you put in tested if you verify that it is'nt charging.If this not help the car to start at all then you need to locate and replace the main fuse for the car.It is near the positive cable under a plastic cover,some just pull out and some need to be unbolted[lift cover on side of the fuse holder].Good luck!

Posted on Dec 12, 2009

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