because you hooked into the lights ground I bet usually you blow the fuse everytime you turn on the lights check your radio ground
Explanation of 2003 Toyota Corolla Dashboard
...I have the exact same problem with my 1993 corolla.......Brake System warning light and discharge warning light
The dashboard symbols on the Toyota Corolla as well as other vehicles are designed to help you know that your car is running properly. You will find your engine light, oil gauge, hazard lights, and blinkers with your dashboard symbols.
Turn the nob on the right side of the odometer.
What model of Corolla ? You have to take the dash board out and the bulbs can be removed and replaced from the back. The dashboard on the Corolla is not that difficult to take out, but you have to do it slowly and carefully.
Under the dashboard i believe. Not to sure sorry
There's a perfect write up at http://www.toyotanation.com/forum/t139119.html !!! I had to replace a burnt dashboard light bulb.
Tire pressure is low.
Check to see if you have a loose wire hangin out behind the radio... Typically this is caused by the dimmer wire for the dash lights.. you also may have hooked that wire to the wrong wire on your radio harness.. Good luck I would say its a fuse, or you crossed a wire, and your bulb burnt out. Hopfully, its the first one!
A malfunctioning brake light relay switch will cause your 1993 Toyota Corolla brake lights to stay on all the time. The brake light relay switch is located beneath the drivers side dashboard.
The ABS Light came up in my Toyota Alex car what should the Mechanic verify and replace
You really shouldn't have to reflash it. Reflashing is a process that basically erases everything on the computer, and then reprograms it. In order to reset the "Service Engine" light, you should be able to disconnect the negative side of the battery for 15-20 minutes and then reconnect it.