How to check is Amplifier is good?
12-09-2008, 10:28 AM
#1
How to check if Amplifier is good?
After my swap i went back to hook up my sterio system - 4 pioneer speakers and a pioneer sub to my 600w sony amp and the amp wasn't getting any power.
I took the car to a car audio place and they said the cable that was running to the amp from the battery was not rated high enough for that amp - fair enough.
I did a little research and found that I needed an 8 guage wire for the amp, so i went to home depot and bought an 8 guage wire and wired that all nice, but the amp still didnt get power. I definetely have the amp grounded properly, so i have no idea what could be wrong.
The weird thing is that the sterio setup worked for about a year until I did my swap and when i hooked it up, no amp power.
One thing to mention, the fuse in the line to the amp had been blown so i replaced it with a bit better one but still nothing.
and unforuntately i don't know anyone with an amp i can borrow to try
Any suggestions as to what I do here?
I took the car to a car audio place and they said the cable that was running to the amp from the battery was not rated high enough for that amp - fair enough.
I did a little research and found that I needed an 8 guage wire for the amp, so i went to home depot and bought an 8 guage wire and wired that all nice, but the amp still didnt get power. I definetely have the amp grounded properly, so i have no idea what could be wrong.
The weird thing is that the sterio setup worked for about a year until I did my swap and when i hooked it up, no amp power.
One thing to mention, the fuse in the line to the amp had been blown so i replaced it with a bit better one but still nothing.
and unforuntately i don't know anyone with an amp i can borrow to try
Any suggestions as to what I do here?
Last edited by salvator_rizzo; 12-09-2008 at 10:43 AM.
12-09-2008, 10:29 AM
#2
BanHammer™
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Car Info: 2001 Forester RS2 SPEC-F
well if the fuse was blown, thats not a good thing, there is a reason that happened.
is there another internal fuse on the amp itself anywhere to check?
is there another internal fuse on the amp itself anywhere to check?
12-09-2008, 10:45 AM
#3
There are two more fuses on the back of the amp, but those are both fine, i have checked them a few times just to make sure.
Its weird though, i assume the fuse was there to protect the amp, plus its a whole new cable now with a nice beefy fuse.
Its weird though, i assume the fuse was there to protect the amp, plus its a whole new cable now with a nice beefy fuse.
12-09-2008, 10:56 AM
#5
The way that the amp is wired (how its always been as far as i know) was wired straight to the battery.
Maybe i don't have the system wired correctly? does the power cable go to the deck first or something?
and whats the kick on wire?
Maybe i don't have the system wired correctly? does the power cable go to the deck first or something?
and whats the kick on wire?
12-09-2008, 10:58 AM
#6
BanHammer™
iTrader: (8)
Join Date: May 2000
Location: Wagonmafia Propaganda Lieutenant
Posts: 47,585
Car Info: 2001 Forester RS2 SPEC-F
there is a wire coming off of the amp that is a switch. It needs +12v for the amp to turn on.
I am not sure what color it is, but most of the time its a light blue. Look at the wires coming off of the amp (or possibly just a connection block at one end) and you should see one labeled "kick on" or "power on", something along those lines.
put +12v to that wire and the amp should turn on.
I am not sure what color it is, but most of the time its a light blue. Look at the wires coming off of the amp (or possibly just a connection block at one end) and you should see one labeled "kick on" or "power on", something along those lines.
put +12v to that wire and the amp should turn on.
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