Passat L4-1984cc 2.0L DOHC (1991)
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Heat the terminal of the voltage stabilizer and the circuit board evenly by placing the soldering iron, tip on the portion of the connection that will
absorb the most heat.
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Apply the new solder to the connections, not to the tip of the soldering iron.
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Be careful not to use too much solder and bridge adjacent connections.
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Allow the solder to cool at lease five seconds after removing the iron.