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NO dont tie the inputs. Inputs stay just as they are. Outputs are where the bridging happens.
You amp specs are:
4 CHANNEL POWER CHROME/WHITE AMPLIFIER MAX OUTPUT POWER (2 OHM): 200W X 4 = 800W POWER OUTPUT: 90W X 4 @2 OHM (360W) LESS THAN 0.5% THD 60W X 4 @4 OHM (240W) LESS THAN 0.3% THD BRIDGED 180W X 2CH @4 OHM
So lets take 800 watts and divide by 13Volts DC = 61.54 Amps
So if there are 2 fuses start with 30 amp. To play it safe you could use 25 amps and if they blow try a 30. Now if the 30 blows you may need to take
another look at your wiring. I think 30 will be fine though.
You would want to bridge 2 of the left channels and 2 of the right channels, essentially combining the power output of the amp.
This article should help you out: http://knowledge.sonicelectronix.com/car-audio-and-video/car-amplifiers/how-to-bridge-an-amplifier.html
Essentially you will just be using 2 channels (left, right) instead of 4 (front left, front right, rear left, rear right) essentially combining the power of those outputs. You'll want to check the amp to see if it tells you which of the outputs should be used for the "bridged" method.
In order to bridge an amp, you will connect the positive lead of a speaker to one positive input on the amp, and instead of connecting the negative lead to the negative input next to the positive input you just connected, connect it to the negative input on the neighboring +/- pair. For a 4 channel amp, there should be 4 +/- pairs. you will treat 2 of these pairs as one channel, and the other 2 pairs as the other channel. Do the process described above for the other speaker as well. Here is a link with helpful pictures: http://www.ehow.com/how_5305710_bridge-channel-amp.html
Sometimes i goes into protection when the amp is overloading with power.. Or the amp is touching metal.. Or the ground wire aint in the right place..Or check your RCA's, Speaker wires? if their earthing your amp..
The red light is for overload. Even though it has not blown any fuses but its definitely fried some capacitor,diodes,etc. If its still giving you sound output, make sure that your equipment is properly grounded before you start using it.........sodeep
i am guessing the car still starts, this means the battery is fine. other than that you can try checking all of the connecting power cables, if nothing is burned out then i am afraid that it probably is the amp blown out