4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

ECU question

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Old 12-07-2004, 12:14 AM
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stonemonk9
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Default ECU question

Ok, am I going to have to change the ecu in order to run this dohc motor? if so where do I even begin doing that?
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Old 12-07-2004, 02:14 AM
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jdaniel
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Default RE: ECU question

By taking the ECU out of the passanger side kick panel, putting in the new one and rerunning the new wiring harness to the engine.
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Old 12-07-2004, 03:11 AM
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stonemonk9
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S o it woulndt be some unbearable impossible task were id have to rewire the whole car?! Someone tried convincing me of this and now Im worried I took on a project alil too big.
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Old 12-07-2004, 03:40 PM
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Default RE: ECU question

So is there two harnesses in the ECU? one for engine and one for other stuff? because if i switch it out is it going to read all my gagues and lights and all the other important stuff also?
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