Welding Near Electronic Control Units

IMPORTANT: Do not jump-start engines with arc welding equipment. Currents and voltages are too high and may cause permanent damage.

1. Disconnect the negative (-) battery cable(s).

2. Disconnect the positive (+) battery cable(s).

3. Short the positive and negative vehicle battery cables together. Do not attach to vehicle frame.

4. Clear or move any wiring harness sections away from welding area.

5. Connect welder ground close to welding point and away from control units.

6. After the repair area is complete and all components are back in their proper locations, connect positive (+) battery cable(s) first, then connect negative (-) battery cable(s).

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