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How do you disable Volvo 850 SE engine immobilizer?

To disable the Volvo 850 SE engine immobilizer, you will need to bypass the system. Here are the steps on how to do it:

1. Locate the immobilizer control unit. It is usually located under the dashboard, near the steering column.

2. Remove the immobilizer control unit from its housing.

3. Locate the wires that connect the immobilizer control unit to the ignition switch. There will usually be two wires, one black and one green.

4. Cut the black wire and connect it to the green wire.

5. Reinstall the immobilizer control unit in its housing.

6. Start the engine. The engine immobilizer should now be disabled.

Please note that this is a general guide and the steps may vary depending on the specific model and year of your Volvo 850 SE. If you are not comfortable performing this procedure, it is best to consult a qualified mechanic.