Aftermarket stereo issue

Audio, ICE, Speakers, Head Unit, CD, CD Multi changer. If you have a question about any Citroen C3 related Audio, then this is the place.

Please indicate if there is a Citroen CD multi-changer, drawer or cubby under the CD/Radio, if there is the Navigation unit, CD or Radio options.
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Only post questions about AUDIO equipment in this topic please. In car entertainment, ICE, Android Auto, stereo and sat-nav are all welcome here
My Name: JamesRG

Member
Posts: 2
Joined: Thu Jan 11, 2018 2:05 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4
Fuel Type: Petrol
Mileage: 62000
Trim Level: LX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

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Seen various versions on here of similar problems but for my sake ill post for myself tl make sure i can fix the issue, i purchased a dab stereo upgrade kit off ebay with a (sony) head unit, a Pc2-34-2 harness & everything else i needed to get the unit working.
Issue is the radio stays on after i turn the ignition off/lock the car, i tried removing the face & turning the stereo off manually but it still drains my battery to a point i have to get in (using the key as central locking has no power) & rev the engine to stop the battery from dying on me.
I’ve seen threads saying the yellow lead is permenant live & red is ignition, would swapping the bullet connectors over solve my issue?
Attachments
can confirm the yellow lead is pin 4 & red is pin 7
can confirm the yellow lead is pin 4 & red is pin 7
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My Name: C3driver52

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Posts: 1854
Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
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JamesRG wrote: would swapping the bullet connectors over solve my issue?
Hi JamesRG
It may well do (if they are pins 4 and 7 of the Power part). The wiring for the C3 is not standard ISO with the computer taking control of the power.

Swapping 4 and 7 of the ISO power plug is a fix, sometimes - If the head unit is of a higher power than the factory unit, it would be worth adding extra wiring to the battery via fuse or the cigarette/power socket because the 'swap' trick only works on lower power head units.
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