You need to have your battery load tested. Clean your battery terminals and apply some corrosion inhibitor. Make sure all your terminals are tight. Beyond that you will need to start tracing the power connections elsewhere for things like bad connections or grounds and connections at the alternator. An alternator can still be bad if the rectifier/regulator start breaking down once they get hot.
Thank you Paul Hewitt, your answer help me greatly
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Check for a loose battery cable. Carefully tighten both bolts for the positive and negative terminals. Do not accidentally short the terminals!
SOURCE: 2002 Honda CR-V Battery Light needs to be reset
Get a code tool from the parts store. You can reset system with that.
SOURCE: toyota sequoia trunk locked
remove back panel. be careful not to braek it and you can move the lock with a screwdriver tounlock it
SOURCE: DIAGRAM FOR 2002 TOYOTA SEQUOIA STARTER REMOVAL
the big red cable from the battery goes right to it.
SOURCE: After replacing battery in 2002 Toyota Sequoia,
The radio uses a constant power to retain memory(stations,settings,ect.) and switched power to run on. It sounds like there is a problem with the constant power connection. You can first check the fuse box for any blown fuses and replace any that are found. Also look around the battery for any wires with an inline fuse that could be broken. Try looking under the dash near the radio for any inline fuse holders that could have a blown fuse. You might need to pull the radio and start tracing the constant 12v power wire. First verify that it does have power and if it does then the radio may have been damaged from a voltage spike when the new battery was installed. If the wire does not have power then you will need to start tracing the wire back to the source of the short. It sounds to me like a blown fuse somewhere....
SOURCE: 2002 pontiac montana wont start battery tested
no Alternator wont stop it from starting or rolling over as long as good battery...try connections on starter..that would be what i looked for first
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