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Discussion Starter · #1 ·
I have a Jan 2006 (55 plate) Chevrolet Matiz. The standard stereo unit has a life of its own, so i want to upgrade to a third party head unit.

I understand that an ISO harness adaptor is required to convert the Matiz wiring into the standard ISO format, however i have been unable to locate the correct version. Most seem to be for the old Daewoo.

Has anyone had any success, and can provide the ISO code number and/or an online supplier?

Thanks.
 

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Discussion Starter · #3 ·
Halfords sell a couple, but don't give a description of the cars covered. I made an enquiry to caraudiodirect co uk and they, as a specialist, were unable to identify the correct ISO harness. Hence coming to this forum for help.
Have any members with a 55 (2006) onwards plate managed to change head units?
 

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is it a 18 pin connector fitted?
Top row has four connector each side and then the bottom row has3 pins,4 pins, 3 pins seperated by plastic lugs?
 

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Discussion Starter · #5 ·
I'll have to open up the dash, and will add a picture tomorrow (was hoping to avoid opening up the dash twice (once for checking then once for fitting)
 

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Discussion Starter · #6 ·
Hi, managed to open the dash, and was much easier than expected with
just clips from underneath the radio/odds bin all the way up past and over the top of the
speedo.

Attached hopefully are some images of the connector, and the blaupunkt radio.










If anyone has any ideas on the ISO connector part number, this would be helpful. Other people must have changed radio's on the Chevy version? Thanks.
 

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Discussion Starter · #8 ·
Really, so i was mis-informed that i would need an adaptor cable between the existing Matiz connector and a new unit.
All i can say is thats very good news.
So this connector should plug directly into any ISO connector supplied with a new radio?
 

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Discussion Starter · #10 ·
Thank you, thats a great help. I will now go and order a new radio. The next interesting part will be seeing how a new cradle fits in, as i guess i will have to re-use the existing two brackets.
 

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you can re-use the exisitng brackets from the radio, this is prob the cheapest way along with the cage supplied with the new radio.
 

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Discussion Starter · #12 ·
Managed to fit a Pioneer unit. The original Matiz cable block fitted into the ISO loom provided with the Pioneer stereo.
The only issue was the brackets. The cage supplied cannot fit as there is nothing for it to fit into, so the original Matiz brackets were re-used. Holes did not line up and some of the 'screw bulges' caused issues. So i drilled out the bulges, and drilled new holes as required. Now it fits great, and the sound is so much better. Quite easy really, and saves paying for installation.
I guess the brackets may fit without adjustment with other manufacturers?
Thanks for the advice.
 
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