70-1388 - Car kit Metra - Free user manual and instructions
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| Product Type | Car Stereo Wiring Harness |
| Brand | Metra |
| Model | 70-1388 |
| Category | Car Kit / Radio Installation Kit |
| Compatibility | Select GM vehicles (Chevy, GMC, etc.) from 1995-2005 |
| Material | High-grade ABS plastic and insulated copper wire |
| Wire Gauge | 18 AWG |
| Connector Type | ISO standard / OEM plug |
| Harness Length | Approx. 12 inches (30 cm) |
| Color | Black with color-coded wires |
| Operating Voltage | 12V DC |
| Current Handling | Up to 10A |
| Main Function | Connect aftermarket radio to vehicle's factory wiring |
| Installation | Plug-and-play, no cutting required |
| Built-in Features | Pre-wired for power, ground, speakers, and antenna |
| Package Includes | 1 wiring harness, instruction manual |
| Maintenance | Wipe with dry cloth |
| Cleaning | Use mild detergent |
| Safety | Fuse protection, insulated wires |
| Spare Parts | Not available separately, entire unit replaceable |
| Warranty | 1 year limited |
| Country of Origin | Mexico |
| Weight | Approx. 0.2 lbs (90 g) |
Frequently Asked Questions - 70-1388 Metra
What is the Metra 70-1388 harness compatible with?
The Metra 70-1388 is compatible with select GM vehicles from 1995-2005, including Chevy, GMC, and some Buick/Oldsmobile models. It is designed to connect an aftermarket radio to the factory wiring.
Is the installation truly plug-and-play?
Yes, the 70-1388 features a direct OEM-style connector. You simply plug it into the vehicle's harness and connect the color-coded wires to your new radio.
Does this kit include installation instructions?
Yes, the package includes a printed manual. Additionally, the full user manual is available for free on our website in PDF format.
Can I use it with any aftermarket radio?
Most aftermarket radios from major brands (Pioneer, Sony, Kenwood, etc.) are compatible. The harness provides standard power, ground, and speaker connections that match common radio wiring.
What do the wire colors mean?
The harness uses standard aftermarket color coding: red for ignition, yellow for battery, black for ground, and various colored wires for speakers. A wiring diagram is included to avoid confusion.
Do I need special tools for installation?
No, only basic tools like a wire stripper or crimping tool are needed. Since it's plug-and-play, you can even connect the wires with simple butt connectors or solder.
Is there any protection against electrical faults?
Yes, the harness includes a built-in fuse on the power line to protect your radio and vehicle from short circuits. The wires are also insulated to prevent accidental grounding.
What if my car model isn't listed in the compatibility table?
If your vehicle is not listed, it may require a different harness. Check your car's exact year and trim, or contact our support with your VIN for a precise fit.
Can I extend the harness if it's too short?
Yes, the harness is approximately 12 inches long. If you need more reach, you can use standard 18 AWG wire and solder or crimp extensions. Ensure proper insulation.
How do I clean or maintain the harness?
Maintenance is minimal. Wipe with a dry cloth and keep it away from moisture. Use a mild detergent for stubborn dirt. Avoid harsh chemicals that could damage the plastic.
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USER MANUAL 70-1388 Metra
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Product information
Brand : Metra
Model : 70-1388
Category : Car kit