1. Introduction
This manual provides essential information for the Generic Ignition Starter Switch, designed as a replacement component for specific Opel and Vauxhall vehicle models. It covers product overview, compatibility, installation considerations, and technical specifications to assist users in understanding and utilizing the product correctly.
2. Product Overview
The Generic Ignition Starter Switch is a critical component in your vehicle's electrical system, responsible for initiating the engine start sequence. This replacement part is engineered for durability and practical application, aiming for a precise fit with the original car's specifications.
Key Features:
- Easy Installation (professional installation recommended)
- Durable and Practical construction
- Designed for a perfect match with the original vehicle part

Figure 2.1: Top-down view of the Generic Ignition Starter Switch, showing its overall form factor and connection points.
3. Compatibility
This ignition starter switch is compatible with specific Opel and Vauxhall models. To ensure correct fitment, it is crucial to verify the Original Equipment (OE) part number on your existing component or consult your local dealer.
Compatible OE Numbers:
- 90589314
- 914863
- 0914863
Compatible Vehicle Models:
- Vauxhall Agila A (2003-2008)
- Vauxhall Astra G Mk4 (1998-2004)
- Vauxhall Zafira A (1998-2005)
Important: Always cross-reference the OE number before ordering to confirm suitability for your vehicle. If you are uncertain, consult a qualified mechanic or contact the seller with your vehicle details.

Figure 3.1: Side view of the ignition switch, highlighting the location of the OE part numbers for verification.
4. Installation
Installation of an ignition starter switch typically involves working with vehicle electrical systems. For safety and proper function, professional installation by a certified mechanic is highly recommended. Incorrect installation can lead to vehicle damage or personal injury.
General Installation Considerations:
- Safety First: Disconnect the vehicle's battery before beginning any electrical work.
- Access: The ignition switch is usually located behind the steering column. Access may require removal of trim panels.
- Removal: Carefully disconnect the electrical connectors and mounting hardware from the old switch. Note the orientation and connection points.
- Replacement: Install the new ignition switch, ensuring all connections are secure and correctly oriented.
- Testing: Reconnect the battery and test the switch's functionality before reassembling trim panels.

Figure 4.1: An alternative view of the ignition switch, illustrating its mounting tabs and overall structure for installation reference.
5. Operation
The ignition starter switch operates in conjunction with your vehicle's ignition key. Inserting and turning the key engages different electrical circuits, allowing for accessory power, ignition, and engine starting. Ensure the key turns smoothly and engages each position without excessive force.
6. Maintenance
Ignition switches are generally maintenance-free components. However, to ensure longevity and reliable operation:
- Avoid applying excessive force when turning the ignition key.
- Keep the area around the ignition cylinder clean and free from debris.
- If you notice any stiffness or unusual resistance when turning the key, consult a professional.
7. Troubleshooting
If you experience issues after installing the ignition switch, consider the following common troubleshooting steps:
- No Power/No Start: Check battery connections and vehicle fuses. Ensure the switch is fully seated and all electrical connectors are secure.
- Key Not Turning: Ensure the steering wheel is not locked. If the issue persists, the problem might be with the ignition cylinder rather than the switch itself.
- Intermittent Issues: Loose connections or a faulty component can cause intermittent problems. Re-check all wiring and connections.
For persistent issues, professional diagnostic assistance is recommended.
8. Specifications
| Specification | Detail |
|---|---|
| Brand | Generic |
| OE Numbers | 90589314, 914863, 0914863 |
| Operation Mode | Manual |
| Contact Type | Normally Open |
| Connector Type | Plug In |
| Terminal | Screw |
| Circuit Type | 3-way |
| Actuator Type | Push Button |
| Control Method | Touch |
| Color | Black |
| Unit Count | 1.0 Count |
9. Important Notes
- Always verify the manufacturer's part OE number before ordering to ensure compatibility.
- Carefully compare product photos with your existing part to confirm visual match.
- If you are unsure about the installation process, seek assistance from a qualified automotive technician.