Your day time running module is defective. It is located behind the right headlight near the fender (passenger side). You can unplug the module and your headlights will work as normal, however without the headlights coming on during the day. You can replace it if you like or not.
First what is wrong with you headlight switch on your 93 topaz.
It is most likely a problem with the alternator. Take the vehicle to an auto parts store such as Auto Zone and ask them to check the charging system.
You may need to change the indicator bulb, that's what was wrong with mine.
Have someone that you know that knows about cars check the starter cellanoid.
Check the alternator.
Because your foot is on the gas and something is wrong with your engine.
The security wire is either disconnected or shorting.
That's the computer's way of telling you that something is wrong and it wants you to read the diagnostic code.
you may have a circuit or you can check your doors for any malfunctions
The main problem might just be you mate.
There are many things that it could be, but you should try checking your fuel pressure regulator. Did you replace the fuel filter first?
New Alternator BUT Warning Light Still Stays OnMaybe there was nothing wrong with the alternator you replaced, and the problem is somewhere else in the charging system!Although possible, it is highly unlikely that a new alternator would be defective.