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964 Alarm system with aftermarket stereo

Electrical and Electronic

Vehicle Information: Year: 1992; Body Type: Coupe; Engine (type, size, modifications): 3.6 ; Total Mileage: 74 K;

The stock stereo has been replaced with an after market stereo prior to me purchasing the car. The alarm system occasionally goes off. The car alarm system shows a stereo fault. This was checked by a local Porsche dealer, but they could not give me an idea of how to fix this issue, other than to say it was due to the stereo being disconnected from the alarm loop. Is there a way to keep the alarm from being activated and take the radio out of the alarm loop? The dealer did clear the faults and they stated that sometimes when the alarm builds up to many faults that can also trigger the alarm. That did not work.

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