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DOeschger

996 TT electrical issues

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Afterr driving 80 miles, i went to roll up the window and had no power. I then tried to close the sunroof and also had no power. I pulled into a gas station and turned the ignition off. I checked my fuses and nothing was blown. i then tried to start the car and nothing. when I turn the key, everything comes on, but it won't turn over. Upon further investigation, the power windows, sunroof, interior lights, visor lights, door locks, both the front trunk and rear engine lid have no power. I tried jumping the front trunk with another battery and nothing. The key will not unlock the doors or the front trunk. it seems as if the car thnks the alarm is on, but its not. I had it towed home and was able to get into the front trunk via removing the right fender well. i have disconected the battery and still nothing, the battery is perfect. Any help would be greatly appreciated!!!!

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First, please tell us details of your car (MY, model, any mods, etc.).  Then I suggest you get the codes read using either Durametric or one of the Porsche diagnostic tools.  There are many possible events that could cause these symptoms from bad ground strap to immobilizer went bad.  Start with the codes.

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1 hour ago, DOeschger said:

Afterr driving 80 miles, i went to roll up the window and had no power. I then tried to close the sunroof and also had no power. I pulled into a gas station and turned the ignition off. I checked my fuses and nothing was blown. i then tried to start the car and nothing. when I turn the key, everything comes on, but it won't turn over. Upon further investigation, the power windows, sunroof, interior lights, visor lights, door locks, both the front trunk and rear engine lid have no power. I tried jumping the front trunk with another battery and nothing. The key will not unlock the doors or the front trunk. it seems as if the car thnks the alarm is on, but its not. I had it towed home and was able to get into the front trunk via removing the right fender well. i have disconected the battery and still nothing, the battery is perfect. Any help would be greatly appreciated!!!!

 

Possibly a bad ignition switch.

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