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How-to » Engine » Starting, Charging & Electrical » How to Replace a Battery
 Note: This is a general guide for all vehicles.

How to Replace a Battery

PARTS
  • Battery
TOOLS
  • Battery Load Tester
  • Multimeter
  • 1 more tool
STEPS
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Moderate
Safety Tip:
Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes.

1
Open the hood and locate your battery.
2
Check the battery voltage with a digital multimeter. If the battery voltage is less than 12 volts, charge the battery and perform a load test. Performing a load test will confirm if the battery is good or bad.
3
First, remove the negative battery cable from the battery. Wrap the cable end in a towel and set it away from the battery.
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4
Next, remove the positive battery cable from the battery.
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5
Remove the battery hold-down or clamp.
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6
Note which direction the battery terminals are facing. Remove the battery from the battery tray.
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7
Clean the battery tray and hold-down with water.
8
Place the new battery into the battery tray with the terminals on the proper side. Re-install the hold-down or clamp.
9
Clean the battery cable ends (connectors) and the battery posts with a wire brush.
10
First, place the positive cable end on the positive battery post. Tighten the cable bolt.
11
Next, place the negative cable end on the negative battery post. Tighten the cable bolt.
12
After the new battery is installed, start the engine and check the charging system with a digital multimeter. The battery voltage should read between 13.5 to 14.5 volts.
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