With the car or truck running disconnect only the positive side of the battery ... if it stays running that means the alternator is good if it dies then it needs replacing
Alternator is defective and needs replacing.
If the alternator is not producing 13.5 to 15.5 volts it is defective and needs replacing.
Maybe your alternator needs replacing.
Alternator is weak and needs replacing. Drive belt on alternator can also be slipping due to being loose. Check the alternator output at the battery with the engine running. It should read from 13.5-16 volts DC. Any less and it needs replacing.
Alternator needs replacing.
there a little box on the back of your alternator called a regulator it needs replacing get it from your local scrappy
tap on it and if it rattles ,its done
were should i satart when replacing the alternator in a Volvo s70 1998 were should i satart when replacing the alternator in a Volvo s70 1998
Disconnect the battery. Remove the air inlet tube. On some s10s, there is a bracket above the alternator that needs to be removed. Take off the serpentine belt. Remove the alternator wiring, then the bolts. Remove the alternator and install the new one.
Can be the battery is defective and needs replacing or the alternator is weak and needs replacing. Have your charging system checked. Most auto parts stores will do this for free.
elecronics need fixing or alternator need replacing elecronics need fixing or alternator need replacing
my gauge reads 10 volts drive half mile it go to 8 Alternator is defective and needs replacing.