70-003L - Car accessory Metra - Free user manual and instructions
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| Product Type | Wiring Harness Adapter |
| Compatible Makes | Toyota, Scion, and Lexus select models |
| Connector Type | Plug-and-play OEM style |
| Primary Function | Connects an aftermarket stereo to the factory vehicle wiring |
| Voltage Rating | 12V DC |
| Wire Gauge | 18 AWG color-coded wires |
| Connection Type | Direct snap-in connectors with pre-tinned wire leads |
| Material | High-grade ABS plastic connectors and PVC wire insulation |
| Installation Effort | Easy; no cutting or splicing required |
| Tools Needed | None beyond standard hand tools |
| Package Contents | 1 wiring harness, 1 instruction manual |
| Approximate Length | 203 mm (8 in) |
| Approximate Weight | 0.23 kg (0.5 lb) |
| Maintenance | Dust with a dry cloth; keep connectors dry |
| Safety Compliance | Designed for mobile 12V electrical systems |
| Repairability | Wiring can be re-pinned using standard terminal tools |
| Warranty | 1-year limited warranty against defects |
| Additional Information | Retains factory balance, fade, and speaker signals |
Frequently Asked Questions - 70-003L Metra
What vehicles are compatible with the Metra 70-003L?
The 70-003L is designed for select Toyota, Scion, and Lexus models. Check the fit guide on Metra's website or the manual to confirm compatibility with your specific vehicle.
Can I install this harness without professional help?
Yes, installation is straightforward and plug-and-play. Simply connect the harness between your vehicle's wiring and the aftermarket radio. No cutting or splicing is needed, making it perfect for DIYers.
Do I need additional parts for installation?
In most cases, no. The 70-003L includes the necessary connectors. However, if your aftermarket radio uses a different connector standard (e.g., ISO), you may need a separate adapter.
Does this harness support steering wheel audio controls?
No, the 70-003L is a basic wiring interface and does not retain steering wheel controls. For that, you would need an additional integration adapter such as a Metra Axxess interface.
Can I use this harness with my factory amplifier?
No, this harness bypasses the factory amplifier in most applications. It connects directly to the aftermarket radio and the speaker wires. If your vehicle has a premium amp, you may require a special adapter.
Why are the wires color-coded?
Color-coded wires make it easier to match with aftermarket radio wiring standards. Each wire corresponds to a specific function like power, ground, left front speaker, etc., reducing installation errors.
Does the package include installation instructions?
Yes, a printed instruction sheet is included with the harness. It shows the wire colors and connection points.
Can I use this harness with my OEM factory radio?
No, the 70-003L is intended for use with aftermarket radios. If you replace the factory radio, this harness links the new head unit to the existing vehicle wiring.
What is the warranty coverage?
Metra offers a 1-year limited warranty against manufacturer defects. This covers faulty materials and workmanship, not damage from improper installation.
How do I ensure the connectors are inserted correctly?
The connectors are shaped to fit only one way. Align the guides on the plugs and push until you hear a click. Double-check the wire colors match your radio's wiring to avoid issues.
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USER MANUAL 70-003L Metra
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Product information
Brand : Metra
Model : 70-003L
Category : Car accessory