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Parts for your 2003 Holden Commodore-Batteries

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OEX Boot suits 50A Anderson Plug Source Side - ACX2770
OEX

OEX Boot suits 50A Anderson Plug Source Side - ACX2770

$39
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Narva 12V Relay 4 Pin 50A - 68008

Narva 12V Relay 4 Pin 50A - 68008

$38
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Narva Micro Relay - 68070BL

Narva Micro Relay - 68070BL

$35
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OEX Cable Gland Nylon 32mm 2 Pc - ACX1344
OEX

OEX Cable Gland Nylon 32mm 2 Pc - ACX1344

$33
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Explore 4WD & Adventure

OEX H7 Head Light Connector - ACX2584
OEX

OEX H7 Head Light Connector - ACX2584

$31
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Narva Circuit Breaker 5A Manual Reset - 55305

Narva Circuit Breaker 5A Manual Reset - 55305

$24
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OEX Heat Shrink Assortment Kit 9-18.2mm - ACX1138
OEX

OEX Heat Shrink Assortment Kit 9-18.2mm - ACX1138

$24
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ASL Mini Blade Fuse 15 Amp Blue - FUS59043
Asl

ASL Mini Blade Fuse 15 Amp Blue - FUS59043

$20
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Narva Convoluted Split Tubing ID: 16mm Length 3m - 56716-3

Narva Convoluted Split Tubing ID: 16mm Length 3m - 56716-3

$20
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Narva Super seal Connector 2 Pole 1 Kit - 56292BL

Narva Super seal Connector 2 Pole 1 Kit - 56292BL

$18
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OEX QC Connector Female White 4 Pole - 10 Pce - ACX2689
OEX

OEX QC Connector Female White 4 Pole - 10 Pce - ACX2689

$18
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Narva Pilot Light LED Green 12v Blade Terminals - 62091BL

Narva Pilot Light LED Green 12v Blade Terminals - 62091BL

$17
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Narva Convoluted Split Tubing ID: 13mm Length 3m - 56713-3

Narva Convoluted Split Tubing ID: 13mm Length 3m - 56713-3

$17
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OEX QC Connector Female White 2 Pole - 10 Pce - ACX2687
OEX

OEX QC Connector Female White 2 Pole - 10 Pce - ACX2687

$15
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OEX Midi Fuse, 150A Bolt On - Single Pack - ACX6512BL
OEX

OEX Midi Fuse, 150A Bolt On - Single Pack - ACX6512BL

$14
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OEX Mounting Bracket for 50A Anderson Cover - ACX2760M
OEX

OEX Mounting Bracket for 50A Anderson Cover - ACX2760M

$13
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OEX Fusible Link Mini Female 30A Pink 1 Pce - ACX1786BL
OEX

OEX Fusible Link Mini Female 30A Pink 1 Pce - ACX1786BL

$12
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Narva Glass Fuse 3AG 1A 5Pk - 52301BL

Narva Glass Fuse 3AG 1A 5Pk - 52301BL

$7
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Showing 1990 - 2028 of 6078 products

Maintaining and Replacing the Battery of Your 2003 Holden Commodore

The 2003 Holden Commodore, known for its reliability and robust performance, is equipped with a standard automotive battery, critical for starting the engine and powering the electrical systems. Checking and maintaining this component is an essential part of vehicle care that ensures smooth operation and prevents inconvenient breakdowns. Here, we explore the key steps in battery maintenance and replacement for your Holden Commodore.

A healthy car battery is vital, as it provides the necessary juice the starter requires to crank the engine and keeps all electrical components, like lights and the stereo, operational when the engine is off. Over time, batteries lose their capacity and efficiency, especially under adverse weather conditions or due to frequent short trips. Thankfully, a few straightforward steps help extend the life of your battery and maintain your car in top shape.

  1. Regular Inspection

    To start, regular inspection of your battery ensures that it's in good working condition. Check for signs of corrosion, swelling, or leaks around the terminals. Corrosion appears as a white, ashy substance around the battery posts and clamps. Cleaning this off with a battery cleaner or a paste of baking soda and water can help maintain a good connection.

  2. Checking Connections

    Ensure the battery terminals are tight and free from grime. Loose connections can lead to intermittent power loss and might cause starting problems. Use a wrench to carefully tighten them if you notice any wiggle room.

  3. Load Testing

    If you suspect your battery is losing its charge quickly, a load test could be in order. Many automotive shops offer this service, or you could pick up a load tester for a reasonable price and do it yourself. This test checks the battery's ability to hold voltage while under load, which can indicate its health and efficiency.

Should your battery show signs of failure or test poorly, it may be time for replacement. Here's a guideline for replacing the battery in your 2003 Holden Commodore:

  1. Select the Right Battery

    Your Commodore requires a specific type of battery, usually, an automotive battery with the correct cold cranking amps (CCA) for optimal performance. Consult your vehicle manual to identify the correct size and capacity, ensuring compatibility with your vehicle's requirements.

  2. Safety First

    When replacing the battery, safety is paramount. Ensure the engine is turned off, the parking brake is engaged, and remove any metal jewellery. Open the bonnet and identify the battery's location. Most Holden Commodores have it situated near the engine bay.

  3. Remove the Old Battery

    First, disconnect the negative terminal followed by the positive terminal. This mitigates the risk of short-circuiting. Use a wrench to loosen the terminals. After disconnecting, remove any hold-down clamps or brackets securing the battery. Carefully lift the old battery out, keeping it upright to avoid any acid spills.

  4. Install the New Battery

    Position the new battery within the tray, ensuring it's firmly seated. Secure it using the hold-down clamps then connect the positive terminal first followed by the negative terminal. Tighten the clamps with your wrench.

After installation, start your vehicle to ensure the new battery is functioning correctly. Dispose of your old battery responsibly by returning it to a recycling centre or an automotive store that offers disposal services. Batteries are recyclable, and returning them ensures components do not end up in landfills.

Regular battery maintenance and timely replacement significantly enhance the overall reliability of your Holden Commodore. Maintain good electrical health by incorporating these steps into your maintenance routine, and enjoy your trustworthy ride for many years. With just a bit of attention, you'll keep your Commodore purring along with all cylinders firing smoothly.