| | | | 1999-02 GMC Sierra Radio / Car Audio Installation Guide |
| | I want to replace my factory radio |
| | | | The parts in this section is what is typically required for proper car audio / stereo installation of most all replacement radios. Most car audio / stereo installation kit can mount Shaft or Single Din (standard size) replacement radios / car stereos. |
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| |  | | GMC Car Stereo Installation Kit Includes: | | | *Faceplate shown is most popular choice |  |
| | View Available Faceplate(s) |
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| | | | All available faceplate(s) will work perfect for your next car audio / stereo / radio installation, its just a matter of which look you like better! |
| |  | | This wire harness will easily wire, matched wire colors, to your aftermarket deck. Making your next car audio / stereo installation a breeze! |
| | No Antenna Adapter currently available |
| | I want to replace my factory speakers |
| | | | The parts in this section is what is typically required for proper speaker installation of most all replacement speakers. | | | How do speakers work? |
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| |  | | Speaker Harness allows changing speakers with out cutting any wires. Great for car audio / stereo installations in lease vehicles |
| |  | | Speaker Adapters allow using different sized speakers than what was originally used in the vehicle. Great for your next car audio / stereo installation |
| | I have a "PREMIUM SOUND RADIO" and I would like to install a new radio. |
| | | | These kit are designed to plug directly into your new radio* and your cars factory harness with out making any crimps, soldering or taping wires together. It is as easy as plugging a lamp in. No kidding if you can plug a house lamp in you can wire your new radio. All you need to do is plug the two supplied cords into the OEM1 then plug the one end marked radio into your new CD or Cassette player, and plug the other end into the cord that was plugged into the back of your factory radio and your done. These also work great on factory premium systems that tend to pop when turned on and off. Installation time approximately two minutes, after factory radio has been removed. * Must have radio from named manufacturer and pin quantity or connections will be required |
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| | These are sold as complete kit with everything you'll need |
| | I want to 'Add an amplifier' to my factory radio |
| | | | These kit are designed to plug directly in between your factory radio and factory harness with out making any crimps, soldering or taping wires together. The adjustable OEM 1 (supplied) will have front and rear stereo outputs (RCA'S) allowing up to two amplifiers to be added. The OEM 1 will also have an output for the amplifier turn on lead. Installation time approximately two minutes after factory radio has been removed |
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| |  | | The model SNI-35 is used to add an amplifier to a stereo which has speaker level outputs, perfect for your next car audio / stereo installation |
| | | | SNI-35 adjusts the signal from 2 to 40 watts per channel. Signals below 20Hz cutoff. Linear from 20-20,000Hz at +/- 5 dB, while maintaining signal phase. Isolates input and output circuits to prevent ground loop noise. Perfect when adding an amplifier to a factory or aftermarket radio. Great for getting an additional set of pre-amps outputs from a head unit equipped with only one set. |
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| |  | | High Level to RCA Level Adapter |
| | | | Converts High Level Speaker Output to RCA. Line Level/Adjustable Level Control. Sleek Black Color. Allows the Easy Installation of EQ's & Amplifiers to Systems with No RCA Outputs |
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| | Factory Parts & Accessories |
| |  | | Factory Harness will plug into the radio that came in the car when it was new |
| | | | If your vehicle has Steering Wheel controls and you would like to replace your radio with a new one, and still be able to use some of the functions on the steering wheel. |
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| |  | | The model SNI-1 is used to remove noise from an amplifier outputs. Perfect for your next car audio / stereo installation |
| *kit and harnesses may be substituted by another manufacture if Metra product is not in stock |
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