1. Wrap one end of the insulated wire around the top of a spark plug, making sure the connection is firm.
  2. Attach the other end of the cable to one of the battery clips.
  3. Repeat the process with the second spark plug and caliper.

3. Set up the transformer

  1. Connect the electrical transformer to the car battery using the battery clamps.
  2. Check that the transformer is working properly before continuing.

4. Assemble the welding machine

  1. Connect the spark plugs to the transformer using the prepared wires.
  2. Secure all connections with electrical tape to prevent short circuits or accidents.
  3. Place the electrodes on the spark plugs; These will act as contact points for the weld.

5. Test the machine

  1. Turn on the system by connecting the battery to the transformer.
  2. Touch the electrodes on a piece of metal to verify that the spark is suitable for welding.
  3. Adjust transformer settings as needed for best performance.

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