70-6504 - Car audio accessory Metra - Free user manual and instructions
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| Product Type | Car Audio Wiring Harness |
| Brand | Metra |
| Model | 70-6504 |
| Compatibility | Select General Motors vehicles (1998-2008) |
| Connector Type | 24-pin vehicle harness connector |
| Function | Connects aftermarket stereo to factory GM wiring |
| Wire Color Coding | Standard aftermarket color codes for easy matching |
| Wire Length | Approximately 8 inches (20 cm) |
| Wire Gauge | 18 AWG |
| Material | High-grade PVC insulation, copper wires |
| Installation | Direct plug-in, no cutting or splicing required |
| Additional Features | Includes mating connector for aftermarket radio |
| Compatibility Note | Verify vehicle year/model before purchase |
| Voltage Rating | 12V DC |
| Maintenance | Wipe clean with dry cloth; inspect for damage |
| Safety | Disconnect battery before installation |
| Repairability | Wires can be re-pinned or connector replaced |
| Package Contents | 1 x Wiring harness, installation sheet |
| Warranty | 1-year limited warranty |
Frequently Asked Questions - 70-6504 Metra
What vehicles is the Metra 70-6504 compatible with?
The Metra 70-6504 is designed for select General Motors vehicles from 1998 to 2008. Always verify your vehicle's year and model before purchasing.
Does this harness include installation instructions?
Yes, the package includes a basic installation sheet. For detailed steps, refer to your aftermarket radio's manual.
How do I connect the aftermarket radio to this harness?
Match the color-coded wires from the aftermarket radio to the corresponding wires on the Metra 70-6504. Use crimps or solder for secure connections.
What do the wire colors mean?
The harness uses standard EIA color codes: yellow for battery, red for ignition, black for ground, and various colors for speakers. A wiring diagram is included.
Is splicing required?
No, the harness plugs directly into the factory vehicle connector. You only need to connect the aftermarket radio's wires to the harness's bare leads.
Can I use this in my specific vehicle?
Check the compatibility list on Metra's website or the package. The 70-6504 fits many GM models, but not all.
Does it retain factory chime or OnStar?
This standard harness does not retain factory chime or OnStar. Additional modules may be required for those features.
How long is the harness?
The wire leads are approximately 8 inches (20 cm) long, providing ample reach for most installations.
What is the warranty on this harness?
Metra offers a 1-year limited warranty against manufacturing defects. Keep your receipt for proof.
Is it compatible with non-GM vehicles?
No, the 70-6504 is specifically designed for GM vehicles. For other brands, use a harness matching your vehicle's connector.
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USER MANUAL 70-6504 Metra
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Product information
Brand : Metra
Model : 70-6504
Category : Car audio accessory