2003 Ford Focus Radio Wire Harness?
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=129134
Printed Date: April 29, 2024 at 8:04 PM
Topic: 2003 Ford Focus Radio Wire Harness?
Posted By: bloodswan
Subject: 2003 Ford Focus Radio Wire Harness?
Date Posted: November 07, 2011 at 6:18 PM
I am having a heck of a time finding the right wire harness for my car. I have a 2003 Ford Focus ZX5 with the 6 disc in dash cd changer. I have purchased several harnesses and none have fit this car. I am including a picture of the plugs on the back of the radio in hopes someone knows what this needs. Thank you everyone.
Replies:
Posted By: howie ll
Date Posted: November 08, 2011 at 12:34 AM
Metra part # 70-1770
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: bloodswan
Date Posted: November 08, 2011 at 5:35 AM
I actually bought those but the tabs that come off the stock plugs don't fit. Do I need to remove them?
Posted By: howie ll
Date Posted: November 08, 2011 at 5:41 AM
Shouldn't, I've used the UK version (looks the same of course) literally
100s of times over the last 20 years.
They are all made by, Amp/Tycho, Molex or Kramm.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: howie ll
Date Posted: November 08, 2011 at 6:17 AM
The Metra picture again at first glance looks like the reverse or female, i.e. the car side.
OK, think I have the answer, just played with both ends from my bits box and they fitted together fine.
I have one end probably from a Bluetooth kit adaptor that looks suspiciously like your photo and I just plugged the standard head unit adaptors in with no problems.
Meanwhile there were two power plugs but they looked similar, 7 0f 9 (Star Trek?) and 8 of 9 pins fitted the later version had 2 grounds.
For your interest these are the pin-outs going left to right starting with the top, black power plug:-
Antenna rem +
Gnd.
Mute???
Illumination
ACC
Gnd.
12V+ constant.
Lower yellow speaker plug:-
Front left +
Ditto -
Rear left +
Ditto -
Front right +
Ditto -
Rear right +
ditto -.
If you PM me with your email address I'll send you the photos.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: bloodswan
Date Posted: November 08, 2011 at 12:09 PM
Here is the Harness I purchased:
And here are the plugs again from the Focus
Hope this explains why I am having an issue.
Posted By: bloodswan
Date Posted: November 08, 2011 at 5:07 PM
I did some digging and found that the part I got is part number FD5940, I checked into the 70-1770
and found it also has a part number of FD5000, So I am thinking I got the wrong harness. Thanks everyone for your help
Posted By: howie ll
Date Posted: November 08, 2011 at 5:09 PM
I think the only difference is that one has two grounds and the other one. It makes no difference.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: howie ll
Date Posted: December 24, 2011 at 3:06 AM
The loom shown is a Japanese car radio to Euro ISO plugs for an aftermarket car radio, it certainly isn't OEM especially with that Scotchlok on it.
Most of the connectors are made by AMP-Tycho, Molex or Lucas.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: bambam_790
Date Posted: May 18, 2014 at 10:29 PM
I am having this exact same problem. What's the part # of the harness required to fit that? Please and thank you
Posted By: bambam_790
Date Posted: May 19, 2014 at 7:44 AM
That's not the correct harness. Ill post two pictures just like the previous gentlemen. People seem to seem to find this very difficult to understand. That harness does not fit on the plugs from the car. Somebody please help. Thanks
https://www.the12volt.com/installbay/uploads/697_image.jpg
Posted By: i am an idiot
Date Posted: May 19, 2014 at 4:42 PM
Metra 70-1777
Metra lists this as the harness that plugs into the oem radio. That is wrong, 71s plug into radios and the 70s are the ones that plug into the oem harnesses.
Posted By: bambam_790
Date Posted: May 20, 2014 at 6:50 AM
That's not it either...
This is getting very frustrating. How could nobody know what harness that requires. The pic I just posted was oh the 70-1777
Posted By: howie ll
Date Posted: May 20, 2014 at 6:53 AM
You've gone through all this trouble showing photos and telling us they don't fit.
As someone who's installed literally hundreds of UK Fords using these plugs including factory amplified units I can assure you they ALL fit and are interchangeable.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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