Are you sure the cables are ok?? Sounds like one is pinched and the screen is touching the conductor!

 

QUOTE(Gerhard @ Jan 13 2007, 07:13 PM) [snapback]46717[/snapback]
Are you sure the cables are ok?? Sounds like one is pinched and the screen is touching the conductor!


The RCA cables? I haven't checked the full length but if that's it both of them are gone. It seems weird that they'd both be fine and then both get broken at the same time for no apparent reason...

I'll have a look at them tomorrow when there's a bit of light.

 

QUOTE(grimbo @ Jan 13 2007, 07:18 PM) [snapback]46718[/snapback]
The RCA cables? I haven't checked the full length but if that's it both of them are gone. It seems weird that they'd both be fine and then both get broken at the same time for no apparent reason...

I'll have a look at them tomorrow when there's a bit of light.


I had a problem like on my corrado, even taught my amp was fcuk and I BOUGHT a new amp, put in surpressors, changed the speakears and in the end it was a pinched RCA cable, I was snappin after spending so much. So Double, Triple check those Rca leads..

Why did you have to take out all the stuff?? so they could check the spare??

 

QUOTE(Gerhard @ Jan 13 2007, 07:24 PM) [snapback]46719[/snapback]
I had a problem like on my corrado, even taught my amp was fcuk and I BOUGHT a new amp, put in surpressors, changed the speakears and in the end it was a pinched RCA cable, I was snappin after spending so much. So Double, Triple check those Rca leads..

Why did you have to take out all the stuff?? so they could check the spare??


I took it out cos I was told I had to... I assumed so they could check the spare. Which they didn't. He opened the boot, looked inside and closed it again.

 

Well when ya find it,post what it was,
Happy Hunting
gerry

 

I've seen that a few times snd i can't remember exactly what i done with it but i'd start with checking the cables like the lads said and make sure that they are plugged into the sub out and not into the aux line in by mistake. Its better to run the power and audio leads up opposite sides of the car aswell. I usually earth the amps off the rear seat mounting bolts and its usually fine.

All the best with it.

 

QUOTE(tinski @ Jan 13 2007, 08:18 PM) [snapback]46723[/snapback]
I've seen that a few times snd i can't remember exactly what i done with it but i'd start with checking the cables like the lads said and make sure that they are plugged into the sub out and not into the aux line in by mistake. Its better to run the power and audio leads up opposite sides of the car aswell. I usually earth the amps off the rear seat mounting bolts and its usually fine.

All the best with it.


Yeah, I have the cables on opposite sides - though I could really do with tidying the routing up. I put them in in a hurry and intended on going back and re-routing them but never did. Now's my chance I suppose! Lovely weather for it too!!!

Where are teh rear seat mount bolts?

 

QUOTE(grimbo @ Jan 13 2007, 08:32 PM) [snapback]46725[/snapback]
Yeah, I have the cables on opposite sides - though I could really do with tidying the routing up. I put them in in a hurry and intended on going back and re-routing them but never did. Now's my chance I suppose! Lovely weather for it too!!!

Where are teh rear seat mount bolts?

Always the way. Theres usually a bolt at either side and one or two in the center holding in the back part of the back seat to the floor. On the golfs i think theres a bolt at the top of the rear shock mount that holds on the plastic pieces that support the parcel shelf that'll do to. Basically any clean metal should be a perfect earth for that. Those are probably the handiest places though. Did you use the same wires to connect the amp to the sub when ya refitted it. That causes weird things to happen aswell if those wires are too small.
Hope thats some help to ya Enjoy!!!

 

This morning I bridged the remote on from the live. No Help.

I moved the earth a few times. No Help.

The noise is like a clicking the speeds up to an almost constant noise when the engine is on and quicker again/ more high pitched when I rev.

I used the exact same wires as before. I bought an amp wiring kit at the time so I think the guages should be fine. They used to work fine anyway.

I'm going to have to pick up some new rca's I think and see if that helps in anyway. I can't think of anything else!

 

I just text the lad whos car i fixed that in before to see if he can remember what the hell sorted it. His subs used to thump like a heart beat constantly. The interference is caused by the alternator. Bad regulator or something like that but i don't no if just that would cause the problem but it'd make your tv in your house go weird if the car was runnin outside. Don't run off gettin a bloody alternater now cause i said it. just givin some ideas. If your man text me back I'll post it up. hope thats some help to ya.

 

Hmm, Well that sounds like my problem. It has a beat, the same with the components up front - then as I saw it gets way faster when I start the car.

Keep me posted on how you resolved it last time!

thanks

 

k man he reckons it was just the earth that time. Keep trying i guess

 

QUOTE(tinski @ Jan 14 2007, 05:55 PM) [snapback]46783[/snapback]
k man he reckons it was just the earth that time. Keep trying i guess


I've just come across this:

Noise from your electrical system
If you've tried all of the noise-fighting tips above and you still hear the noise, the problem might be with your vehicle.

Have a mechanic check your alternator and battery. If your car is older and hasn't been tuned up recently, you may have ignition noise. It's a ticking noise that varies in speed as you accelerate. You may need a tune-up involving resistor-type spark plugs, shielded carbon-core spark plug wires, distributor cap, and coil.

If the noise doesn't disappear, then your ignition system may not be grounded well enough. It may be broadcasting ticks to other items such as your air cleaner, hood, exhaust system, etc. With your sound system on and the car running, try grounding each of these different components of the car. Call for details on how to sniff out the noisy component. It's possible that grounding one of your car's components will eliminate the noise. If so, make the ground permanent with a braided ground strap.

My only concern with this explanation is that I get the ticking, albeit slower, even when the car is not running.

I called into Halfords this afternoon and the ICE guy there couldn't think of anything that would be causing the symptoms I'm seeing.

 

k i just remembered i have the ice haynes manual here.
Low cracking that speeds up when u rev the engine is from an ignition circuit.
A pitch whine that stays constant is from the fuel pump.
They reckon the solution is to make sure all cables are well away from any of the cars wiring loom
Check all earths including the negative on the head unit (factory radio earth might not be strong enough)
Loosen up wiring behind the radio.
Use the same earth point for all the system (that sounds like a bollox)
After that it gets pretty complicated and to start looking for the cause eg. replacing leads disy alternater etc.
If it still no good i'll read on and post it for ya.

ps wiring loom probably runs down the driver side.

Have fun

 

QUOTE(tinski @ Jan 14 2007, 07:09 PM) [snapback]46792[/snapback]
k i just remembered i have the ice haynes manual here.
Low cracking that speeds up when u rev the engine is from an ignition circuit.
A pitch whine that stays constant is from the fuel pump.
They reckon the solution is to make sure all cables are well away from any of the cars wiring loom
Check all earths including the negative on the head unit (factory radio earth might not be strong enough)
Loosen up wiring behind the radio.
Use the same earth point for all the system (that sounds like a bollox)
After that it gets pretty complicated and to start looking for the cause eg. replacing leads disy alternater etc.
If it still no good i'll read on and post it for ya.

ps wiring loom probably runs down the driver side.

Have fun


Thanks for that. I have been having problems with my dizzy anyway - the car suts out after driving through standing water. I was gonna get a new cap and rotor arm anyway. It may be that this is just co-incidence and the dizzy is injecting noise into the system - though I hear it without the car running...

I found this forum and they strongly recommend earthing everything to a common source, they have a good post on how to:
earthing

I have posted up there to see if they can suggest anything too.

If it was a new install and I came across these problems it would be one thing - but for the exact same gear to suddenly start this is really a pain the ass!

I know I'm going to end up pulling everything out and starting again!!

 

Not sure why it would be at it when its not runnin but god no's with electricity. like ya said its probably just a bunch of small problems rather that one big one. Let us no what sorts it anyway man
good luck with it

 

Noise like that is almost always due to a poor earth.Is you main amp l earth lead nice and short? Also chect that the Power and RCA are totally separated when running down the car. Make sure also the gain on the amp is not set too high as this will cause clipping too. Good luck!

 

I had the same problem with my car at the start of my stereo quest! it is most definatly your earth! i ran a wire from my earth on the amp to the earth on the head unit and did away with the factory earth. got a good earth in the booth and problem solved! by bonding the head unit to the amp you insure that there will be no noise between the two carried through the body! ie. the alternator whine, the fuel pump whine and the crackle from the ignition system.

Hope this helps.

 

Yep, funny earths will cause all sorts of these problems. You can rule out pinched conductors in your RCA cables by using a multimeter and another piece of cable to check the resistance of each signal and screen, and their resistance from each other (which should be infinite) Make sure you take all the paint and dirt away from the contact surfaces when you're making a new earth point or using a mounting point that wasn't an earth before - paint is a good insulator.

 

Right, I think I've gotten to the bottom of it:

http://www.talkaudio.co.uk/vbb/showthread.php?t=61962

Basically I've gubbed my pre-outs by the looks of it. Nice.

My concern now is that I bought the HU online while I was living in Edinburgh last year... Have mailed the pioneer distributors over here - hopefully they can point me to a service center to get it fixed. Have had the unit (DEH P75BT) less than 6 months!

Think I'll upgrade the earths afterwards - pretty sure I read somewhere else that the standard earth through the harness isn't enough.

Will let you know how I get on with pioneer.