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The Terminator
Engine/Tuning
03-04 cobra conversion specialist- Looking for opinion on cobra harness differences
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<blockquote data-quote="Roush6018" data-source="post: 16640522" data-attributes="member: 78571"><p>I did have to swap some harness from GT to 03 cobra. The engine harness and transmission harness are 03 cobra specific. I also had to replace the Power Distribution harness, this has the power for the intercooler pump. I got my fuel pumps to run with the GT fuel pump harness, I ran a power wire from the battery to a BAP and into my FPDM.</p><p></p><p> I also had my car running with the GT dash harness, but I did have a problem with that. When matching up the wires in passenger foot well there were extra wires, I did match all same color wires up. My key would start my engine, Problem was when I turned the dash knob to defrost my engine would stall , turn off. </p><p>I removed my dash and installed a 03 cobra dash harness, I think it was for a vert, , my car is a coupe, and I matched up all the wires In passenger footwell. Then my engine started and ran good, turn on defrost and it still runs and turns on the defrost. And I can scan the computer with the OBD port. </p><p></p><p>my swap was done very long ago. But I am almost sure I replaced the PCM harness from GT over to 03 cobra because it has the 2 big green power wires needed for the fuel pumps. But, there is a chance that the 2 big green wires for the fuel pump come from the Power Distribution Harness. The 2 green wires I am talking about are located in passenger footwell near the PCM and they would be included in the 03 cobra fuel pump harness.</p></blockquote><p></p>
[QUOTE="Roush6018, post: 16640522, member: 78571"] I did have to swap some harness from GT to 03 cobra. The engine harness and transmission harness are 03 cobra specific. I also had to replace the Power Distribution harness, this has the power for the intercooler pump. I got my fuel pumps to run with the GT fuel pump harness, I ran a power wire from the battery to a BAP and into my FPDM. I also had my car running with the GT dash harness, but I did have a problem with that. When matching up the wires in passenger foot well there were extra wires, I did match all same color wires up. My key would start my engine, Problem was when I turned the dash knob to defrost my engine would stall , turn off. I removed my dash and installed a 03 cobra dash harness, I think it was for a vert, , my car is a coupe, and I matched up all the wires In passenger footwell. Then my engine started and ran good, turn on defrost and it still runs and turns on the defrost. And I can scan the computer with the OBD port. my swap was done very long ago. But I am almost sure I replaced the PCM harness from GT over to 03 cobra because it has the 2 big green power wires needed for the fuel pumps. But, there is a chance that the 2 big green wires for the fuel pump come from the Power Distribution Harness. The 2 green wires I am talking about are located in passenger footwell near the PCM and they would be included in the 03 cobra fuel pump harness. [/QUOTE]
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03-04 cobra conversion specialist- Looking for opinion on cobra harness differences
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