Celsus ISO Wiring Harness for Honda Various Models (1996-2010) - AIS2111

The Celsus ISO wiring harness is designed to connect an aftermarket stereo to an existing non-ISO ...

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Product Information

Full details

The Celsus ISO Wiring Harness (AIS2111) is designed for car audio enthusiasts and DIY installers looking to upgrade their factory head unit in Honda and Suzuki vehicles manufactured between 1996 and 2010. This plug-and-play adapter streamlines the installation process by converting proprietary factory wiring looms into industry-standard ISO connections, ensuring power and speaker signals remain intact without the need for manual wire cutting. While it simplifies connectivity significantly, users should confirm the specific pinout of their vehicle's stereo system, as some high-end or amplified factory setups may require additional bypass modules.

All features

Model Part NumberAIS2111
BrandCelsus

Extended Product Information

FAQs

Is this harness compatible with steering wheel controls?

No, this harness is designed for power and speaker connections only. Steering wheel control retention requires a separate adapter module.

Will this work if my car has a factory amplifier?

The AIS2111 is designed for standard setups. If your vehicle has a factory-fitted premium audio system or external amplifier, you may need an additional bypass or interface harness.

Do I need to solder any wires?

No, this is a plug-and-play solution designed to avoid the need for soldering or cutting.

Can I use this for non-Honda or Suzuki vehicles?

No, the connector geometry is specific to the factory looms found in the compatible range of Honda and Suzuki vehicles (1996-2010).

Does it include a ground wire?

Yes, the ground connection is integrated into the harness pins.

What should I do if the connectors don't fit?

Ensure you are attempting to connect to the primary radio harness and not a secondary accessory plug. Verify your vehicle's specific production year and model compatibility.

Troubleshooting

The stereo does not power on after installation.

Double-check that all connectors are seated firmly. Verify the vehicle's fuse box for any blown fuses related to the radio circuit.

Audio is playing from only one side of the vehicle.

Check the pins on the harness to ensure they are not loose or pushed back. Ensure the aftermarket stereo's balance and fader settings are centered.

The stereo loses memory presets when the engine is turned off.

Verify that the permanent 12V constant wire (usually yellow) is correctly aligned with the corresponding wire in the vehicle harness.

Pros and Cons

Pros

  • Prevents the need to cut original vehicle wiring
  • Installation is fast and non-destructive
  • Universal ISO compatibility with aftermarket stereos
  • Compact 12.5cm design reduces dashboard clutter

Cons

  • Not compatible with factory-amplified sound systems without extra adapters
  • Requires verification of specific vehicle pinout for older models
  • Does not include steering wheel control retention functionality

Setup, Compatibility & Care

Before starting the installation, ensure your ignition is turned off and the key is removed to prevent short circuits. Locate the factory harness behind the dashboard, connect the AIS2111 adapter securely until the locking tab clicks into place, and then attach the ISO end to the harness provided by your aftermarket stereo manufacturer. For care, avoid bending the wiring near the connectors at sharp angles, as this can fatigue the copper over time. Always ensure the wiring is tucked away from moving parts behind the dashboard. This unit is compatible with various Honda and Suzuki models (1996-2010); always verify your specific model's wiring layout before final mounting.

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