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When connecting your battery, connect the positive (red) first and the negative (black) second. When removing the battery, disconnect the negative (black) first and the positive (red) second. Been doing this for nearly 30 years. ALWAYS connect the positive post first.
to dfc888. In most cases, a fusible link is used. This is a short section of smaller size wire that is meant to fuse before damage to the rest of the wiring can occur. So the biggest risk in most cases is the positive lead from the battery to starter solenoid shorting to ground. dfc888.