Question about Saab 9 5

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I am concerned that if I change the main battery in my 1999 9-5 that it will require re-programming of the security system. Can you tell me if this is true?

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OK, it is possible to change the battery and keep voltage supplied but you need a third battery and jumper cables. There is always the possibility of shorting connections unless you are quite careful. You hook up the jumper cables to the battery terminal clamps and the third battery and make sure you don't break the connections as you put the new battery in. It is also possible to hook up the third battery to another grounding point and an alternative positive terminal somewhere in the engine compartment. It's just a matter of finding the connections that you can hook up to. This is the surer method. Saab were always pretty easy to find a positive terminal to hook up to. Some models even had an alternative boosting point under the bonnet so that you did not have to make sparks around the battery. Any help?

Posted on Mar 13, 2011

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Posted on Jan 02, 2017

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