1998 Nissan Sentra Battery/Brake light on and car running f

Tiny
MARKANDLAURI
  • MEMBER
  • 1998 NISSAN SENTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 123,000 MILES
The battery/brake light has been blinking on in this car for months. I keep having it checked and it tests fine. I changed the battery cause it was old but no change. Lights keep coming on and now more frequently. Car runs fine. Starts like new. Could this be a bad sensor or could everyone be wrong when they run the diagnostics on the battery/alternator? Don't want to spend the money on having a new altenator if I don't need one and everyone tells me its fine.
Thursday, November 4th, 2010 AT 1:01 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi markandlauri, Welcome tyo 2carpros and TY for the donation

Check if the alternator belt tensioned properly if okay double check the wiring to and from the battery and alternator continues to come on-have the alternator load tested-See charge system EWD below -check fuses/wiring


https://www.2carpros.com/forum/automotive_pictures/12900_c1_56.jpg




https://www.2carpros.com/forum/automotive_pictures/12900_c2_49.jpg

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Thursday, November 4th, 2010 AT 3:52 PM

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