Electrical issues? 2003 Mercury Grand Marquis
My 2003 grand marquis has been having an issue recently. Ill be driving and out of no where the radio seizes up and starts to crackle, with a few things happening. The ABS, traction light, battery light, airbag, and brake light all turn on. The battery indicator then shows a voltage of "H". The transmission starts to act funny and the power steering goes out. All it takes to temporarily fix this is resetting the cars computer by disconnecting the battery for 5 minutes. After driving 40-50 miles, it happens again. Everyday before I leave i reset the computer and its just starting to become a hassle and I can no longer rely on the vehicle. In the picture I have attached it shows a check engine light too, but this is just for an o2 sensor.
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