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General => Car audio => Topic started by: hardmonkeys on 02 October 2016, 17:23

Title: Amp always on
Post by: hardmonkeys on 02 October 2016, 17:23

Just fitted a amp into the convertible and now the amp is always on,

I also fitted a new head unit, a Sony DSX-A400BT, I put the blue wire from the wiring kit to the REM IN on the amp, and to the blue wire on the back of the HU, when I turn the radio off, the amp doesn't turn off, even if I remove the wiring harness from the back of the HU, the amp is still powered...any ideas?

Title: Re: Amp always on
Post by: lemski on 02 October 2016, 18:31

Put a switch into the live cable. Obvously if the remote switch isnt doing what it shoild.
Or try the old headunit incase the red/yellow are different and its keeping live on

Title: Re: Amp always on
Post by: hardmonkeys on 02 October 2016, 22:59

Nice one!

Will try this tomorrow now. The amount of amps I've fitted, for myself and others, I've never come across this problem..

Title: Re: Amp always on
Post by: lemski on 03 October 2016, 08:13

I havnt either but if the red and yellow are wrong normally the cd player wont have memory. But dependant on how the wiring in you dash is it could be sending perminant live to the blue.
Also check that when youve put the live on the amp, non of the wires are touching the remote. Just a thought

Title: Re: Amp always on
Post by: hardmonkeys on 03 October 2016, 17:14

Sorted it!

Traced the remote wire back to the VW plug and it had a red/wire, not sure what it was for but it was providing a permanent live to the amp, so...I cut it lol and now no permanent feed to amp!

https://imgur.com/gallery/jXCg6

The HU now provides the amp with power when it's on and turns off the HU is off. Had a memory problem too, but that's sorted now.

Thanks Lemski for your help

Title: Re: Amp always on
Post by: lemski on 03 October 2016, 18:29

Always a pleasure. The red wire is live feed.to head unit. Normally yellow.and red are switchable to make Hu have memory