Could be that the alternator isn't putting out the required or rated voltages. Could also be the voltage regulator.
If trying to just charge it without running, check for proper fluid levels inside the battery. If just one cell has gone dry, the battery is going to need to be replaced ... once the metal pieces are exposed to the atmosphere, they start to degrade quickly and no amount of distilled water will ever return them to their original state.
before the 1987 change 1988 to 1990 change 1995 to 1998
Possibly a bad alternator (the system is not charging the battery).
Most any 12 volt battery will work in your car.
Do you mean What does it mean when the brake and battery lights come on in when it is already started? Check your alternator may be its not working well it cause the battery sign comes out.
Change a starter on a 1988 Toyota Cressida
A 1988 Ford Ranger may not charge due to several potential issues, such as a faulty alternator, a bad battery, or worn-out wiring and connections. If the alternator is not producing sufficient voltage, the battery will not charge properly. Additionally, check for blown fuses or corroded terminals that could disrupt the charging system. It’s advisable to perform a thorough diagnostic to identify the specific cause.
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1988 , 1100 ? Anyway, when the bike is running did you run a volt meter on the battery. Should read around 14. something volts. If it reads only the battery like 12.4 volts then most likely the stator is gone. Now what kind of bike was that again?
have you checked the fluid level in the battery.also all batterys lose charge over time if left sitting,specially if battery is getting near 3 years old
To check the alternator on your 1988 Toyota MR2, first ensure the battery is fully charged and the connections are clean and tight. Start the engine and use a multimeter to measure the voltage at the battery terminals; it should read between 13.8 to 14.4 volts if the alternator is functioning properly. If the voltage is lower, the alternator may not be charging the battery effectively. Additionally, listen for any unusual noises from the alternator and check for signs of wear or damage to the belts and connections.
It sounds like your engine block grounding wire.