Question about 1989 BMW 5 Series
Trying to hook up aftermarket radio in 89420sel mercedes benz need to know what color are the wires on the speaker
Get a AA battery, solder a wire ti each end. This is called a "popper"
Hold one wire of the AA on one speaker wire. Tap the other AA wire to the other speaker wire. The speaker will make a "popping" noise. Mark the wire as to the location, and so on. To determine polarity (- or +) you must be able to see the speaker. If it jumps UP when you "pop" it, look at the polarity of the AA battery.
That is the proper polarity of the wires. If it sucks IN, when you "pop" it........you're backwards. If this is over you're head......$30 @ a stereo store and it's over!.....Have fun.
Posted on May 27, 2009
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Posted on Jan 02, 2017
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disconnect the negative battery cable from the Altima's battery.
Pry up the trim panel surrounding the gear stick. The trip panel is held in place by plastic clips that will disengage when the panel is pried up. Use a flat-head screwdriver to pry up the panel. The panel doesn't need to be completely removed, just pried up enough to reveal two Phillips screws along the bottom of the radio trim panel.
Remove the two Phillips screws along the bottom edge of the radio trim panel, just above the gear stick. Remove the two Phillips screws from above the radio. Remove the ashtray.
Pry the radio trim panel loose with your fingers or a flat-head screwdriver and remove it.
Remove the four Phillips screws holding the radio in place. Set the screws aside for use later. Slide the radio forward and disconnect the wires from the back of the device.
Slide the cage included with your new stereo into your dash adapter. Slide the stereo into the cage and dash adapter.
Connect the wires from the dash to the back of your new stereo. All stereos have slightly different connections methods, so refer to the owner's manual accompanying your new stereo for the proper connection procedure.
Slide the stereo and dash adapter into the dashboard. Use the previously removed Phillips screws to mount the stereo in place. Replace the radio trim panel and gear stick trim panel. Reconnect your battery.
If you are putting a aftermarket stero make sure you buy a stero harness that plugs into the cars harness, on the back side of the harness you just installed will have open wires to conet to your new stero. If you cut the wires from your car to try to splice it to the new raido it can cause problems with the electrical system includeing making the transmission shift or act funny. you can pick the harness at wall-mart, car auido, best buy, or any car auido place.
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