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About Ted Ritter
Expertise
I have more than 26 years experience as toyota technician, I will be able to answer most questions related to the toyota product line up to the present year models, I specialize in difficult to diagnose problems but when posting a question please keep in mind that some situations require the used of special test equipment and diagnostic procedures especially as the newer models become more technologically advanced, so without actually having the car on hand I may only be able to try to steer you in the right direction and in some cases may have to refer you to the toyota dealer but at least you will know what you may be dealing with. Please don't hesitate to ask any questions, I will have an answer for you in most cases. When posting a question keep in mind that I reside in the US, although I get questions from all over the world I may not have an answer for models that are not sold in the US, I will do a reasonable search to try to match your model to the US model,please refrain from asking about diesel powered vehicles, I have no information for them. In most cases I will not answer questions about major modifications of OEM components, engine swapping or aftermarket products,please post a question not a statement, please provide enough basic information such as year, model, what engine and if anything has already been done to fix the problem, the more information I get the more I can help without having to ask you more questions.

Experience
Toyota technician since 1979,expert in electrical systems,OBD systems,engine repair, driveability problems,EFI systems,ASE certified,Toyota master technician.
Certified Hybrid Vehicle technician.
 
   

You are here:  Experts > Home/Garden > Auto Repair > Toyota Repair > 1984 Tercel Warning Lights

Toyota Repair - 1984 Tercel Warning Lights


Expert: Ted Ritter - 10/19/2005

Question
The battery and brake warning lights stay on after the vehicle is started and running. Both lights started staying on at the same time, and the position of the brake handle does not affect the brake light. If I wiggle the ignition switch, both lamps dim slightly, but do not go out. Any Ideas where to start looking. My guess is with the ignition switch, as the problem is affecting 2 seperate systems, which developed at the same time.  Thanks!!!!!!!

Answer
This is typically a failing alternator, have the alternator output checked, I fairly certain it is not charging the battery, you can do a quick test yourself by disconnecting the negative battery terminal, while the engine is running, if the engine dies the alternator needs to be replaced.

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