ollied
Member
Registered: 28th Jan 06
Location: Long Buckby, Northamptonshire
User status: Offline
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I have recently fitted a set of 6x9s and 2 10 inch subs into my car. They are all powered off a 1000w amp as this was all i could afford at the time.
Now for the problems
There are strange noises coming from the speakers
firstly if i have the cd paused there is a slight tapping sort of noise coming out of the speakers but seems to go away when i turn it off pause it goes away.
The second problem is that when i turn the engine on all sorts of interferance comes out of the rear speakers its starts as a highpitched clicking noise in time with the starter motor and then when the engine is started it just is a loud whine, none of this happens when i have the engine off and also if i disconnect one of the 6x9s it doesnt seem to happen
What could be the cause of it any ideas, could it be the wiring or is my head unit fubar?
Any help is appreciated thanks
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ollied
Member
Registered: 28th Jan 06
Location: Long Buckby, Northamptonshire
User status: Offline
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also i forgot to add
its a 4 channel amp
the subwoofers are connected up to the bridgable channels and the 6X9's to the other two channels
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WATSON
Member
Registered: 16th Jun 05
Location: Fife, Scotland
User status: Offline
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sounds like a wire problem.. Maybe not possible but have you got the power cable running along same side as all the rest of the cables? i have seen that become a problem a few times in the past..
Also just check back of headunit that all wires are ok and dont touch anything they shouldnt be 
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PK1
Banned
Registered: 27th Mar 05
User status: Offline
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if you've used a cheap wiring kit (motorworld?) then you will get interference on your RCA's from your power cable.
As for ths startermotor interference its either going to be the powercable interference again or could be interference from other wires if you ran it along next to the wiring harness that goes along the inner door sills
either way to solve it either reroute your wires or buy a decent wiring kit
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ollied
Member
Registered: 28th Jan 06
Location: Long Buckby, Northamptonshire
User status: Offline
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I have the power lead and remote cable running down the passenger side and the rca lead running down the drivers side
could it be interferance from the engine bay?
thanks
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ollied
Member
Registered: 28th Jan 06
Location: Long Buckby, Northamptonshire
User status: Offline
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I have since checked the ground point and this does not seem to be the problem,
I have the power lead running down a totally different side of the car than the rca leads to reduce interferance so im not too sure its that
Is my best bet to try a interferance filter
i have heard that they can reduce the amount of bass signals recieved by the amp though
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