Join Date: Dec 2002
Location: Saint Louis, Missouri
Most new name brand radio's are sticking with more of a standard wiring color code HOWEVER not all brands do so. It would be best to verify what wire does what to reduce the chances of damage to your new unit.
With that being said, I would run new wires to the location of your new speakers. The radio will probably have an ignition 12V power wire and a battery 12V power wire and may possibly have an illumination wire. These wires can go directly to the fuse block unless (like on some of the newer high powered radio's) the battery 12V line may have to go directly to the battery. Again this is why the owner/installation instructions should be used.
The radio should also have a ground wire that needs to be connected to a clean bare metal spot behind the dash like the firewall and if you can, use a locking nut and a bolt. Self tap screws are OK but may vibrate loose.
The existing antenna lead can be unplugged off of the factory radio and plugged right into the new one. Be careful when you remove the plug from the old radio. I've had them come apart before. Not often but enough to say something about it.
When you mount the radio there should be metric threaded holes in the side to atach your own brackets onto and make sure the unit is mounted solidly to the car to reduce the chances of the CD skipping.
1974 Spirit Of America Nova (being restored), 1973 Nova Custom, 1968 Chevy II (Garage Find 2012)
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