A fix for aftermarket radio in D90 - Defender Source
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  #1  
Old September 28th, 2011, 05:22 PM
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Dana Hammersley
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A fix for aftermarket radio in D90

I got tired of searching for a solution for being able to use a aftermarket radio in my truck, without cutting or splicing into the factory harness. My solution was to get a radio out of a D1 take it apart and use the connector off of it. The Disco plug in has 3 spaces and the Defender only has 2. The 2 outside one are the ones you need to use. First you will have to take a soldering iron or a small butane torch and un solder the old circut board. leaving the terminal ends exposed. I have the drawings of how I soldered which wire where. I will post these after I get back from MAR. It is a little tedius but at least my factory harness is not compromised.
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  #2  
Old September 29th, 2011, 02:12 PM
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Keith Imbriglio
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Metra makes a plug in harness 70-9400. Plugs in with no cutting http://www.metraonline.com/part/70-9400 about $20. The harness in the truck is from a VW.
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  #3  
Old September 29th, 2011, 04:16 PM
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Quote:
Originally Posted by esprit99 View Post
Metra makes a plug in harness 70-9400. Plugs in with no cutting http://www.metraonline.com/part/70-9400 about $20. The harness in the truck is from a VW.
Yep, or you can completely run all new wiring which if done correctly will sound better anyhow.
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  #4  
Old September 30th, 2011, 01:10 AM
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Does anyone know how to splice the D1 plugs onto the original harness? The harness in my '95 was cut for an aftermarket radio and I want to return to the original. I can't locate the original plugs, but I picked up a set of D1 plugs. Are the wire colors the same?
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  #5  
Old July 6th, 2012, 12:57 PM
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Charles Galpin
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George, did using the disco plugs work for you? I'm in the same boat on my 94.

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Originally Posted by geoellis View Post
Does anyone know how to splice the D1 plugs onto the original harness? The harness in my '95 was cut for an aftermarket radio and I want to return to the original. I can't locate the original plugs, but I picked up a set of D1 plugs. Are the wire colors the same?
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Old July 6th, 2012, 02:01 PM
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George
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Hey Charles - Sad to say that I haven't tried to do the splice yet, but the plugs will definitely work. I had a conversation with John at Roverville a while back and he confimed this. The pink plug is for the speakers. Top row is the positive and the bottom row is negative. Not sure which column applies to each speaker. It will take a little trial and error. The D1 harness also has a black and gray plug, but I don't recall off-hand which one is used for the Defender radio. It should be apparent when you see it as it has the black ground wire. My notes are incomplete, but I think the top right wire on the plug is power when the key is turned to on. The purple is constant power. Not sure which wire connects to the amp.

When I get into it I'll let you know.
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Old July 6th, 2012, 02:03 PM
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Charles Galpin
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Thanks. I really just wanted to know if the plugs were the same. I can trace the wires since I know what's what on the adapter side, and will document them if I beat you to it.

Thanks,
charles
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