Cadillac | Chevy | GMC | Pontiac 1995-2003 — 70-1859
Key features
- For select Cadillac / Chevy / GMC / Pontiac 1995-2003
- Plugs into the car's original radio connectors on one side
- No wire cutting needed for factory radio connectors
- Includes additional 9 pin to activate factory amplifier
- Color-coded wires on the other side are connected to the aftermarket radio
- Provides electrical power to the radio for a four-speaker connection
Cadillac | Chevy | GMC | Pontiac 1995-2003 — 70-1859 is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Connect an aftermarket radio to the factory wiring in a Cadillac, Chevy, GMC, or Pontiac covered by the 1995–2003 fitment range. The 70-1859 radio wiring harness plugs into the original radio connectors and has color-coded wires for connecting or soldering to the new receiver.
Key Features & Benefits
- Factory connector fit: Connects to the original radio connectors without cutting their wires.
- Color-coded radio wires: Helps identify the harness wires when connecting them to the aftermarket receiver.
- Four-speaker connection: Provides electrical power to the radio for a four-speaker connection.
- Factory amplifier connection: Includes an additional 9-pin connection to activate the factory amplifier.
- Installation help: A tech support number is available for installation help seven days a week.
Technical Specifications
| Product | Radio wiring harness |
|---|---|
| Part number | 70-1859 |
| Vehicle makes and years stated | Cadillac, Chevy, GMC, Pontiac; 1995–2003 |
| Factory connection | Plugs into the original radio connectors |
| Aftermarket radio connection | Color-coded wires to connect or solder to the radio |
| Speaker connection | Four-speaker connection |
| Factory amplifier connection | Additional 9-pin connection to activate the factory amplifier |
Why Choose This Product?
The 70-1859 provides a connection between the vehicle’s original radio connectors and an aftermarket receiver. Its vehicle-side adapter avoids cutting the factory radio connector wires, while the color-coded leads give you wires to connect or solder to the new radio.
Installation & Compatibility Notes
Check that your vehicle’s make, year, and radio setup match the 1995–2003 fitment stated for this harness. Connect the color-coded wires to the aftermarket radio as required by its installation instructions.
Depending on your vehicle and installation, you may also need a dash kit, antenna adapter, or special interface adapter. An interface may be needed to retain steering-wheel audio controls or functions such as navigation or video.
Frequently Asked Questions
Which vehicles does the 70-1859 fit?
The stated fitment is for Cadillac, Chevy, GMC, and Pontiac vehicles from 1995–2003. Check the specific vehicle and radio setup before installation.
Do I need to cut the factory radio wires?
No. The harness plugs into the original radio connectors, so cutting those connector wires is not needed.
How does the harness connect to an aftermarket radio?
It has color-coded wires that you connect or solder to the aftermarket radio. Follow the receiver’s installation instructions.
Can it activate a factory amplifier?
The harness includes an additional 9-pin connection to activate the factory amplifier.
What other parts might my installation require?
Depending on the vehicle, you may need a dash kit, antenna adapter, or special interface adapter for steering-wheel audio controls or other vehicle functions.
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