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Amp Help!


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maXed 
Member - Posts: 5
Member spacespace
Joined: March 31, 2003
Location: Australia
Posted: March 31, 2003 at 4:39 PM / IP Logged  

hey all Amp Help! -- posted image.

i'm installing an amp and sub for a friend and have run into a small problem. I purchased an amp install kit to make my job easier. 

Anyway, when all the cables are hooked up (positive, ground and remote) I connect the battery and the amp fuse blows, I've checked the cabling and ground and all is OK, whats the problem???? Amp Help! -- posted image.

bberman1 
Gold - Posts: 2,314
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Joined: March 11, 2002
Location: United States
Posted: March 31, 2003 at 4:59 PM / IP Logged  

Do you have a fuse within 18" of the battery if so dose that fuse blow? Or is it the one on the amp? But it sounds like some where the +and - are coming in contact. But if your sure their not making contact anywhere. You might want to pull the amp out and wire it directly to the battery (fuse +within 18" of battery) +and - and use a little jumper wire from the + of the battery to the remote to turn it on. If it turns on and doesn’t blow the fuse then you know that you have a bad cable or connection somewhere let us know what happens and we can work from there.

Cletis 
Copper - Posts: 59
Copper spacespace
Joined: March 26, 2003
Location: United States
Posted: March 31, 2003 at 5:04 PM / IP Logged  
bberman is right.  Sounds like you have a frame ground somewhere.  Test it like he said and you will be able to tell if thats indeed the problem.
maXed 
Member - Posts: 5
Member spacespace
Joined: March 31, 2003
Location: Australia
Posted: March 31, 2003 at 5:11 PM / IP Logged  

thanks for the help, I tried that and the fuse still blows, the + cable fuse is within 18" its about 6" along the cable from the battery

maXed 
Member - Posts: 5
Member spacespace
Joined: March 31, 2003
Location: Australia
Posted: March 31, 2003 at 5:14 PM / IP Logged  
the ground is in the trunk of the car and I checked to see the voltage is OK and everything, the main cable fuse doesnt burn out, only the amp one, (its a 20 ampere fuse), there is not smoke or smell coming from the amplifier so I dont think its fried.
Cletis 
Copper - Posts: 59
Copper spacespace
Joined: March 26, 2003
Location: United States
Posted: March 31, 2003 at 5:15 PM / IP Logged  
are you sure you are using the right size fuse for the amp?
maXed 
Member - Posts: 5
Member spacespace
Joined: March 31, 2003
Location: Australia
Posted: March 31, 2003 at 5:19 PM / IP Logged  
thats the fuse that came with the amp, I checked that first, but since the amp is not drawing a large amount of power on start and 0 gain, it should be OK. its a 2*300 watt max, mosfet amp. Should be OK I think.
Cletis 
Copper - Posts: 59
Copper spacespace
Joined: March 26, 2003
Location: United States
Posted: March 31, 2003 at 5:21 PM / IP Logged  

if you tried testing it like bberman said, and its still lowing, it sounds like you might have a problem with the amp.

maXed 
Member - Posts: 5
Member spacespace
Joined: March 31, 2003
Location: Australia
Posted: March 31, 2003 at 5:29 PM / IP Logged  
thanks for the help Amp Help! -- posted image.
bberman1 
Gold - Posts: 2,314
Gold spacespace
Joined: March 11, 2002
Location: United States
Posted: March 31, 2003 at 5:48 PM / IP Logged  

If you pulled it out of the car and tested it directly and it still blows the fuse than you have a bad amp. But if you bought the amp used double check with the manufacture about the correct fuse rating.

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