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Parts for your 2004 Holden Commodore-Headlights
OEX Rocker Switch On/Off DPST 12V Amber Illumination (Contacts Rated 20A @ 12V) - ACX1957BL
Fitment Notes:
OEX Mini Relay 12V 4 Pin Normally Open 40A (30 & 86 terminals are reversed) Resistor Protected, Sealed - ACX1966RBL
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Explore 4WD & Adventure
OEX 16mm Twin Core Automotive Cable, Red/Black, With Clear Sheath - 10m Roll - ACX0824/10
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Narva MDL34 Stop/Tail/Indicator Light With Licence Plate Lamp LED 12V - 2 Pce - 93440BL2
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Hella Ignition Switch Acc - Off - Acc/Ign - Start (Contacts Rated 25A @ 12V) - 4008
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Narva Nissan Style Sealed Push Switch Off/On SPDT 12V Blue LED Illuminated Driving Lights Symbol (Contacts Rated 3A @ 12V) - 63376BL
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OEX Mini Battery Master / Isolation Switch SPST (Contacts Rated 100A @ 32V) - ACX3401BL
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OEX Rocker Switch On/Off SPST 12V Green Illuminated (Contacts Rated 10A @ 12V) - ACX3790
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OEX 3mm Dual Wall Heat Shrink Polyolefin with Adhesive Tubing Black 1.2M - ACX1289L
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Narva Sealed Metal Toggle Switch Off/On SPST (Contacts Rated 20A @ 12V) - 60070BL
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OEX Crimp Terminal Joiner Red Cable Size 2.5-3mm Heat Shrinkable 50 Pce - ACX3064
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Narva OE Style Sealed Push Switch Off/On SPDT 12V Blue LED Illuminated LED Light Bar Symbol (Contacts Rated 3A 12V) - 63314BL
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Headlights on the 2004 Holden Commodore: Purpose, Maintenance and Replacement Tips
The 2004 Holden Commodore is a classic Aussie vehicle that many drivers rely on for both daily commutes and weekend adventures. One critical part of the car that often gets overlooked until it's absolutely needed is the headlights. Properly functioning headlights are essential for driver safety and legal compliance, especially when driving at night or through poorly lit areas. For the 2004 Holden Commodore, headlights are standard equipment and play a vital role in road visibility and signalling intentions to other road users.
Headlights provide illumination to light up the road ahead when natural lighting conditions are poor, such as at night, dawn, dusk, or during bad weather like heavy rain or fog. The headlights fitted to the 2004 Commodore are designed not only to help the driver see obstacles and road signs but also to ensure that other drivers and pedestrians can spot the vehicle from a distance. This is crucial for avoiding accidents and navigating safely in traffic.
When it comes to the 2004 Holden Commodore, the headlight assembly usually features halogen bulbs, which were the standard bulb technology at the time. These bulbs offer a good balance of brightness, longevity, and affordability. Some models might come with auxiliary lighting, but the main headlights are the primary source for night-time visibility.
Because headlights are exposed to the elements and regular use, maintaining them is an important part of servicing the 2004 Commodore. Over time, headlights can suffer from a variety of issues that reduce their effectiveness. For example, the plastic lens covers can become cloudy or yellowed due to sun exposure, which diminishes the amount of light they project. Moisture can also find its way inside the headlight housing, causing fogging or corrosion, which impairs vision and may lead to electrical problems.
When carrying out routine servicing on the 2004 Holden Commodore, it is a smart move to include a thorough check of the headlights. This includes inspecting the lens covers for clarity and damage, checking the bulbs for brightness and signs of burning out, and verifying the electrical connections to avoid any flickering or failure. Clean headlights not only improve visibility but will also help the vehicle pass safety inspections without hassles.
If the bulbs in a 2004 Commodore's headlights start to dim or stop working altogether, replacement is straightforward but requires some attention to detail. It's important to choose the correct type of halogen bulb that matches the vehicle's specifications to ensure optimal lighting performance. Many drivers might find it handy to replace both headlights at the same time to maintain balanced illumination on both sides of the car. Plus, this avoids uneven light output which can be distracting or dangerous when driving at night.
Replacing bulbs often involves removing the headlight assembly or accessing the bulb through an access panel behind the headlight. It's a relatively simple job for anyone reasonably comfortable with basic car maintenance, but it is also a task regularly done by professional mechanics during routine servicing. When installing new bulbs, it's wise to avoid touching the glass directly with bare hands, as oils from the skin can reduce bulb life by causing hot spots on the glass.
Aside from bulbs, the headlight lens can benefit from occasional cleaning and polishing, especially if cloudiness sets in. There are plenty of headlight restoration kits available through automotive stores that can provide a cost-effective way to restore the clarity of the lenses and improve light output markedly. This small maintenance step can make a big difference to safety and driving confidence at night.
Another tip is to adjust the headlight alignment periodically. Over time, the headlights can become misaligned due to minor impacts or wear on suspension components. Misaligned headlights can cause poor road illumination and dazzle oncoming drivers, creating dangerous situations on the road. During servicing, mechanics can adjust the beam height and direction to the correct standard, ensuring the lights are firing in exactly the right spot.
For owners of a 2004 Holden Commodore, keeping the headlights in top condition is not just about passing roadworthy checks but about protecting themselves and other road users. Good headlights increase reaction time by improving visibility significantly, helping to avoid hazards and making night driving less stressful. Whether it's cleaning, bulb replacement or realignment, investing a little time in headlight maintenance goes a long way to keeping the Commodore on the road safely.
In short, the 2004 Holden Commodore absolutely uses and relies on headlights as an essential feature. Taking care of these lights helps ensure the vehicle remains safe, roadworthy and ready for the many adventures that await. Regular checks, timely replacements, and occasional restoration keep the headlights shining bright, lighting the way for every journey.