mikegatti
New member
(Topic changed as I don't think this is related to it being a Fiat Multipla!)
I have read many posts about proper cabling and believe I have followed the basic rules but get interference on my new setup which sounds particularly like interference from the car's ignition system
(i.e. it's a buzzing which varies in intensity with engine speed/load)
and is obviously quite annoying!!
I have diesel Multipla and wonder if there's either something specific
with the car or my installation!
My original plan of running power cables down the driver's side to an amp under the driver's seat was scuppered when I realised that there was not quite enough clearance for the amp under the driver's seat (a scratched amp is the result) but as I'd already spent the best part of two hours finding and then breaching a grommet into the car from the engine compartment, I wasn't going to get a second box of plasters ready!
So I have an amp under the passenger seat after removing the drawer and a power cable that runs along the driver's side until it reaches the driver's seat when it turns sharply and goes across under the middle seat and connects to the front nearside of the amp. The Gnd cable is earthed on newly sanded metal under the trim on the passenger side. The speaker wires run from the front of the amp, cross the power cable briefly then go from the front of the middle seat straight towards the front of the car and up behind the central unit where I have connected them to a ISO connector, thus using the original speaker cables from the rear of the old HU as I can't seem to find a good way of putting new cables right to the speakers through the sockets in the doors.
Th RCA cables come from a 'pre-amp out' set of RCA plugs coming from the HU where they travel to the passenger side of the car under the bulkhead and then along under the trim on the passenger side until they sneak out under the passenger seat and around the back of the amp. They are 5m cables so there's loads of spare tucked at the front of the car under the HU (along with some spare speaker cable)
The HU is a Blaupunkt Los Angeles and the new speakers are all Infinity, as is the amp.
Can anyone advise if the simple act of crossing the power cable and speaker cables once might cause the problem, or by running the RCA cables along the passenger side have I inadvertently run along some other power cable?
Any advice or suggestions would be most welcome
Cheers
I have read many posts about proper cabling and believe I have followed the basic rules but get interference on my new setup which sounds particularly like interference from the car's ignition system
(i.e. it's a buzzing which varies in intensity with engine speed/load)
and is obviously quite annoying!!
I have diesel Multipla and wonder if there's either something specific
with the car or my installation!
My original plan of running power cables down the driver's side to an amp under the driver's seat was scuppered when I realised that there was not quite enough clearance for the amp under the driver's seat (a scratched amp is the result) but as I'd already spent the best part of two hours finding and then breaching a grommet into the car from the engine compartment, I wasn't going to get a second box of plasters ready!
So I have an amp under the passenger seat after removing the drawer and a power cable that runs along the driver's side until it reaches the driver's seat when it turns sharply and goes across under the middle seat and connects to the front nearside of the amp. The Gnd cable is earthed on newly sanded metal under the trim on the passenger side. The speaker wires run from the front of the amp, cross the power cable briefly then go from the front of the middle seat straight towards the front of the car and up behind the central unit where I have connected them to a ISO connector, thus using the original speaker cables from the rear of the old HU as I can't seem to find a good way of putting new cables right to the speakers through the sockets in the doors.
Th RCA cables come from a 'pre-amp out' set of RCA plugs coming from the HU where they travel to the passenger side of the car under the bulkhead and then along under the trim on the passenger side until they sneak out under the passenger seat and around the back of the amp. They are 5m cables so there's loads of spare tucked at the front of the car under the HU (along with some spare speaker cable)
The HU is a Blaupunkt Los Angeles and the new speakers are all Infinity, as is the amp.
Can anyone advise if the simple act of crossing the power cable and speaker cables once might cause the problem, or by running the RCA cables along the passenger side have I inadvertently run along some other power cable?
Any advice or suggestions would be most welcome
Cheers
