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View Full Version : HOW TO: Install a aftermarket stereo. (the basics)



importmaster1300
10-29-04, 01:42 PM
Scosche wiring harness is an absolute must when installing an aftermarket car stereo. It provides easy connection of the car stereo to the factory wiring harness. Each harness includes both power and speaker wires, and each is labeled with its specific function. Any cutting of the factory wires is avoided so all connections are exactly right. All wires are color coded (EIA standard) for easy identification.
Note: Many 2002-Up GM vehicles have an OBDII-equipped radio that requires a different wiring harness and/or additional adapters. Please give us a call or email if you have an On-Star, RDS, or Bose audio system. Some 1988-Up GM vehicles use the GM01 connector. Select 1994-Up Buick / Cadillac / Oldsmobile use the GM03.

Applications:

1988-UP General Motors
Excludes (these models use the GM01):

1980-87 Buick Century / Electra / Park Avenue / Regal
1979-85 Buick Riviera
1980-91 Buick Le Sabre
1982-89 Buick Skyhawk
1980-85 Buick Skylark
1986-91 Cadillac Eldorado / Seville
1990-91 Astro
1978-89 Camaro
1985-90 Caprice
1982-90 Celebrity
1984-89 Corvette
1982-91 S-10 Pickup
1982-91 Pontiac 2000 / 6000 / Parisienne
1977-91 Pontiac Bonneville / Catalina
1984-88 Pontiac Fiero
1978-87 Pontiac Grand Am / Grand Prix
1977-89 Pontiac Firebird
1978-81 Pontiac Le Mans
1980-84 Pontiac Phoenix
1984-88 Pontiac Sunbird
1984-88 Oldsmobile Cutlass Supreme / Delta 88
1982-87 Oldsmobile Cutlass Calais / Ciera / Firenza / Ninety-Eight
1977-85 Oldsmobile Delta 98 / Starfire
1980-84 Oldsmobile Omega
1979-89 Oldsmobile Toronado
1973-88 GMC Jimmy
1982-91 GMC Jimmy S-15
1973-87 GMC Full-Size Pick Up 1982-91 GMC Pick Up S-15
1985-91 GMC Safari
1973-88 GMC Suburban 1978-87 GMC Full-Size Van

importmaster1300
10-29-04, 01:44 PM
Each harness includes both power and speaker wires, and each is labeled with its specific function. Any cutting of the factory wires is avoided so all connections are exactly right. All wires are color coded (EIA standard) for easy identification.
Note: Some 1988-91 GM vehicles also use this connector (see below).

Applications:

1980-87 Buick Century / Electra / Park Avenue / Regal
1979-85 Buick Riviera
1980-91 Buick Le Sabre
1982-89 Buick Skyhawk
1980-85 Buick Skylark
1986-91 Cadillac Eldorado / Seville
1990-91 Astro
1978-89 Camaro
1985-90 Caprice
1982-90 Celebrity
1984-89 Corvette
1982-91 S-10 Pickup
1982-91 Pontiac 2000 / 6000 / Parisienne
1977-91 Pontiac Bonneville / Catalina
1984-88 Pontiac Fiero
1978-87 Pontiac Grand Am / Grand Prix
1977-89 Pontiac Firebird
1978-81 Pontiac Le Mans
1980-84 Pontiac Phoenix
1984-88 Pontiac Sunbird
1984-88 Oldsmobile Cutlass Supreme / Delta 88
1982-87 Oldsmobile Cutlass Calais / Ciera / Firenza / Ninety-Eight
1977-85 Oldsmobile Delta 98 / Starfire
1980-84 Oldsmobile Omega
1979-89 Oldsmobile Toronado
1973-88 GMC Jimmy
1982-91 GMC Jimmy S-15
1973-87 GMC Full-Size Pick Up 1982-91 GMC Pick Up S-15
1985-91 GMC Safari
1973-88 GMC Suburban 1978-87 GMC Full-Size Van

:) There is a pic. of it at the bottom!!! :)

importmaster1300
10-29-04, 02:00 PM
The basics of hooking up a aftermarket stereo or head unit consists of removing and disconnecting the stock stereo. Usually removal of the stock stereo requires you to remove the dash and the retaining screws thet hold the stereo in.
After the stereo is out you should start splicing the harnesses together.
Take the harness that came with the stereo and the one that plugs into it (the ones i am refering to are up top).
Pretty much all you have to do is match up the colors.Use butt connectors crimp the ends down then zip tie the wires all together.

***you should never hard wire a stereo together( I.E. cutting the harnesses completly off then taping the wires together) As this WILL void the warrenty plus it wont give you the best connection and the harnesses are a lot cleaner and less time consuming.

After the harness is together just plug in one side to the stereo and the other to your factory harness.

>>>>you may need a antenna adapter!
Most gm trucks have a mini antenna while most aftermarket stereos use a reg. sized antenna.


Thats the basics of hooking up a aftermarket stereo.

importmaster1300
10-29-04, 06:32 PM
Here is a useful link if you HAVE to hard wire your stereo:
http://carstereohelp.net/wireharness_Delco2.htm
CREDIT FOR THE LINK GOES TO XXINFAXX, lol

j894
11-28-05, 12:10 AM
Here is a usefull chart for older radio speaker wiring & newer speaker wiring.
It's a .PDF extension so your gonna have to use adode acrobat to view it.

http://www.installdr.com/Harnesses/GM-Wiring.pdf