'07 Nissan Quest -- Battery + Brake Light Showing -- ALTERNATOR ISSUE!
I own a 2007 Nissan Quest S. For the past few days i've been seeing the Battery Light and Brake Light showing. The DRL lights are also flashing. My understanding is there is a car battery issue, in particular the Alternator / Generator issue.
I attached my multimeter to the car battery's POS and NEG posts and it reads:
Before Ignition: 13.05v
After Ignition (car running): 12.47v
I did not add any special load such as AC, high beams, radio.
NEXT i attached the NEG lead of the multimeter to the NEG post of the battery and the POS lead of the multimeter to the POS post of the Alternator. It reads:
Before Ignition: 13.16v
After Ignition: 12.55v
NEXT i attached the POS lead of the multimeter to the POS post of the Alternator and, while the car was running, i attached the NEG lead of the multimeter to the POS post of the battery with the point being to see if there was power running from the Alternator's POS post to the POS post of the battery. It reads: 0.00v
NEXT i attached the POS lead of the multimeter to the exterior case of the Alternator. The NEG lead of the multimeter was attached to the NEG post of the battery. It reads: 0.02v
What does all this mean? Do i have a break in the wiring? Bad alternator? Bad Fuse?
I'd appreciate further steps to diagnose the exact problem
Thanks
I attached my multimeter to the car battery's POS and NEG posts and it reads:
Before Ignition: 13.05v
After Ignition (car running): 12.47v
I did not add any special load such as AC, high beams, radio.
NEXT i attached the NEG lead of the multimeter to the NEG post of the battery and the POS lead of the multimeter to the POS post of the Alternator. It reads:
Before Ignition: 13.16v
After Ignition: 12.55v
NEXT i attached the POS lead of the multimeter to the POS post of the Alternator and, while the car was running, i attached the NEG lead of the multimeter to the POS post of the battery with the point being to see if there was power running from the Alternator's POS post to the POS post of the battery. It reads: 0.00v
NEXT i attached the POS lead of the multimeter to the exterior case of the Alternator. The NEG lead of the multimeter was attached to the NEG post of the battery. It reads: 0.02v
What does all this mean? Do i have a break in the wiring? Bad alternator? Bad Fuse?
I'd appreciate further steps to diagnose the exact problem
Thanks