Subwoofer light does not come on. Everything is connected like it should be. Silver to negative, copper to positive. The power cord is in the socket. The cord coneecting th subwoofer to the main box is connected. I donlt get it.
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Hi there: Check this on 2004 Ford Explorer Sport Trac Audio Wiring Schematic:
Car Radio Battery Constant 12v+ Wire: Light Green Car Radio Accessory Switched 12v+ Wire: Yellow/Black Car Radio Ground Wire: Black Car Radio Illumination Wire: Light Blue/Red Car Stereo Dimmer Wire: N/A Car Stereo Power Antenna Trigger Wire: N/A Car Stereo Amp Turn-On Trigger Wire: N/A Car Stereo Amplifier Location: N/A Car Audio Front Tweeter Size: N/A Car Audio Front Tweeter Depth: N/A Car Audio Front Tweeter Location: N/A Left Front Speaker Positive Wire (+): Orange/Light Green Left Front Speaker Negative Wire (-): Light Blue/White Right Front Speaker Positive Wire (+): Dark Green/Orange Right Front Speaker Negative Wire (-): White/Light Green Car Audio Front Speakers Size: 6" x 8" Speakers Car Audio Front Speakers Depth: 2 1/2" Car Audio Front Speakers Location: N/A Left Rear Speaker Positive Wire (+): Gray/Light Blue Left Rear Speaker Negative Wire (-): Tan/Yellow Right Rear Speaker Positive Wire (+): Orange/Red Right Rear Speaker Negative Wire (-): Brown/Pink Car Audio Rear Speakers Size: 6" x 8" Speakers Car Audio Rear Speakers Depth: 3" Car Audio Rear Speakers Location: N/A Car Subwoofer Speaker Size: 8" Subwoofer Car Subwoofer Speaker Depth: 4" Car Subwoofer Speaker Location: N/A Car Subwoofer Speaker Positive Wire (+): N/A Car Subwoofer Speaker Negative Wire (-): N/A
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It matters. Get a 9-volt battery and touch it to the terminals. When the positive side of the 9-volt is connected to the positive speaker terminal, the cone will pop out. If it pops in, then the positive side of the battery is touching the negative speaker terminal.
NOTE: A subwoofer should be strong enough to handle this. If you try this with a small speaker you can damage it!
Connecting the speakers in parallel is the best route here. Parallel wiring is simply connecting the positive wires together and connecting the negative wires together. Then connect both positive wires to the positive output of the amp and both negative wires to the negative output of the amp. When both 4ohm speaker are connected in parallel the combined impedance is 2ohms. This particular amplifier has a damping ratio of >250 at 2 ohms compared to a damping ratio of >1000 if you connected them in series at 8 ohms. the damping ratio is simply the reduction of power transferred. (For future reference in order to get the maximum power transfer input impedance must match the output impedance.)
most car stereo speakers have two connectors, one thinner and one wider. the wider one is typically the positive connection. to verify this, take a small 1.5v battery, and hold a wire to the negative and positive sides (it's easiest to use a battery case available at many electronic stores), connect the negative wire to the smaller connector, and tap the positive wire to the wider connector. if the speaker pops outward, then the thinner connector is the negative connector.
try reconnecting your rca's from the deck to the amp when finished wire one speaker positive to positive on left channel and negative to negative on right channel then connect the 1st subwoofer. if all power and sound is fine and working turn off power to amp and connect negative terminal of 1st sub to positive on 2nd sub and positive from first sub to negative on second crossing the wires runs the speakers in series another way to try is parralel the speakers wiring by connecting positive left channel output of amp to positive on 1st sub same with the negative then splice positive to positive on second sub and same with negative.
hard to tell whats causing this .Just curious make sure speaker wires going to subs are POLARIZED meaning positive from amp is with positive at woofer and NEGATIVE is with negative at woofer.When these are crossed and when volume is raised you will hear the bass cancell each other out..