When replacing your factory radio with an after-market car stereo, the GWH-343 wire harness is a must for a quick and clean installation. It eliminates cutting your OE radio plug. After connecting it, your install is simple as the wires will color-match and easily connect to the after-market stereo. Without the GWH-343, you would have to cut the OE radio plug and manually test each wire to connect to your after-market receiver.
In addition, because you do not have to cut your OE radio plug off, the GWH-343 allows you to reinstall your factory receiver if necessary. A great example is if you sold your car, but wanted to keep your after-market radio and re-install your factory stereo receiver. We also recommend the Scosche BOBAZT for a quick connection that is sure to last.
Product Features:
- Plugs into car harness at radio
- Power/4-Speaker
- 21-Pin plug
- Used for Installing an Aftermarket Receiver to factory plug
- Allows for the installation of an aftermarket radio using the existing factory wiring and connectors
- No need to cut or splice in factory wiring
- Compatible with select 1988-2002 GM Vehicles
- Metra Equivalent: Metra 70-1858 and Scosche Equivalent: Scosche GM02B
Connections:
- Yellow – 12V Constant
- Red – 12V Accessory
- Black - Ground
- Orange – Dash Light Dimmer/Illumination
- Green – Left Rear Speaker (+)
- Green with Black Stripe Left Rear Speaker (-)
- White – Left Front Speaker (+)
- White with Black Stripe – Left Front Speaker (-)
- Purple – Right Rear Speaker (+)
- Purple with Black Stripe – Right Rear Speaker (-)
- Gray – Right Front Speaker (+)
- Gray with Black Stripe – Right Front Speaker (-)
Compatible with the following vehicles:
- Buick:
- 1988 - 1996 Century
- 1988 - 1990 Electra
- 1988 - 1994 LeSabre
- 1988 - 1994 Regal
- 1986 - 1995 Riviera
- 1991 - 1994 Roadmaster
- 1988 - 1989 Skyhawk
- 1987 - 1995 Skylark
- Cadillac:
- 1988 - 1991 Deville
- 1988 - 1991 El Dorado
- 1999 - 2002 Escalade
- 1988 - 1993 Fleetwood
- 1988 - 1994 Sedan Deville
- 1988 - 1991 Seville
- Chevrolet:
- 1991 - 2005 Astro
- 1988 - 1997 Beretta
- 1992 - 1994 Blazer
- 1988 - 2002 1500, 2500, 3500 Full-Size Truck
- 1990 - 2002 Camaro
- 1991 - 1997 Caprice
- 1991 - 1999 Cavalier
- 1990 - 2002 Corvette
- 1994 - 1996 Impala
- 1997 - 2000 Malibu
- 1995 - 1999 Monte Carlo
- 1990 - 2002 S-10
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Average Customer Rating is 5.0 out of 5 stars:
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Average Attributes Rating:
| Durability | | 5.0 |
| Value | | 5.0 |
| Features | | 5.0 |
| Design | | 5.0 |
| Usability | | 5.0 |
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Most Helpful Customer Reviews:
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Review by
Arlie from Ocala, FL
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Nice product, plugs right into your GM 21 Pin radio. I used this on Pontiac & GMC stereos 1997 and 1999 respectively. Works great. Wires clearly labelled.
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