Corolla 1999 Car Radio Troubleshooting
When I installed an aftermarket car radio, the circuit got shorted and I
smelled burning. Now even I put back the OEM radio, nothing could be
played. The cigar lighter is working but the digital clock also went out. So
there must be a wiring problem.
I connected the positive to the positive of the cigar lighter, still the radio
cannot be turned on.
I measure the wires: for the wires of 4 speakers, they are connected (with
small ohm). The positive and ground has 11volt. The memory (yellow) with
ground has 7 volt. What else could be wrong with the wires? How do I test
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