Peugeot 407 Radio Wiring Diagram
Catherine Rubeo
Getting a bit bored of sitting in silence so about time I fitted my radio.
Some of the existing wires have been chopped and left so I'm hoping someone might be able to tell me what colours go where!
You already have something wired wrong there, the eight wires that are clumped together on the unit loom ie 2 grey 2 white 2 green 2 purple are all speaker wires, if you have hooked one of any of these up without the other you need to find the other speaker wire, as for what's left on car loom, it's time to get the test lamp/multimeter out.
no point taking pictures as mine has been fairly well bodged by a previous owner and pictures wont make sense, well here goes for colours on the peugeot loom, this is presuming that yours is identical,
all that should be left is four small white wires that are speaker-, to see which one goes with which speaker + just get a 1.5v battery (AA or AAA etc) and hold it on one of the speaker positive wires and dab the white wires on the other end in turn, only do it for a brief moment, you will hear a noise come from corresponding speaker, if you do then that pair of wires are matched, failure to do this will result in no sound as your speakers obviously wont be wired properly, hope this helps,
I also tried connecting the four white negative speaker wires one by one to the positive wire through an AA Battery with the ignition turned to, it did nothing. Is there another way to test these? Can these be connected to the earth cable like the previous person did?
Muchos kudos!
The 205 earth is already earthed so just join the stereo earth to it, constant live and battery live are the same thing, switched live is ignition live, as for speaker wires you say you tested from a live, do you mean speaker live or power live?
Nothing needs to be plugged in or turned on to test the speakers, if you have a multimeter try using that on a resistance or beep setting and do the same thing as with the battery, you should get a change in the resistance reading or a neap when you find a pair of corresponding wires, if still no luck then you either have a break in the wire on no speakers fitted, have you checked they are even there?
Theres no rear speakers so might get some, not sure if I'll bother though as its extra weight!
For some reason no matter which way round I wired the constant live and ignition live the radio always seems to stay on.
To get around this I've wired in some extra wire and ran it up to where the cigarette lighter is, you simply join them to turn it on. I've also ordered a SPDT switch off eBay so will get that sorted out as soon as it arrives as its a bit dangerous having wires hanging around!
Thanks for everyone's help, no more silence for me.
and my car comes with a red connector so I have bought an adapter to change the Peugeot plug into dual ISO plugs which attach to the adapter. Now I've read this: =84571 which at the bottom someone suggests switching the connector for the stereo power on the fuse board. So I did this and connecting it to the right side and the stereo is always on whichever way I change the Sony adapter wiring option. And connecting it to the left side and it's never on.
Frankly I'm a little stumped. Oh I did have to rewire the plug up as some idiot before me had cut all the wires, so I got hold of a second hand red connector and wired up plug based on the colours of the wires so I'd be surprised if that's the issue.
Please help, someone screwed up the wiring loom for the radio. I am trying to install an aftermarket radio. I will have to solder and cover the wiring as it has been cut but I cannot seem to get it working! - there is no point in getting an ISO adapter as the wires are already cutWhat I need to know is what colour wire is what? and as I have the ISO adapter thing that came with the radio I can just solder and cover up these connections. Thanks for your help!
The others can be tested using a multimeter. Connect the meter black cable to the earth wire, then set the meter to volts. Then with the key off, test the other wires. Only one should give a reading - this is the permanent memory wire.
Still best to use a multimeter though to prove your car is the same. Nothing exotic required, something like -Multimeter-Tacklife-Electronic-Continuity/dp/B01MXRW771 would do. Maplins, Argos and Halfords all have cheap multimeters as well.
I was found to be right on wiring configuration. Setup needs configuration using Peugeot planet My vehicle did not have the radio configured originally. Which is why it did not work with the attached wiring configuration.
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