94 3.9 liter w/ac where do i find codes - Defender Source
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  #1  
Old January 11th, 2011, 08:51 PM
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Terry L. Pierce
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94 3.9 liter w/ac where do i find codes

My 94 d90 3.9 liter has what I think is an aftermarket a/c unit taking up the passenger side floorboard/firewall. Where can I find a code readout or place to plug computer in to get codes?
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  #2  
Old January 12th, 2011, 01:46 PM
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Neil McCauley
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lol All I can actually imagine the 19 people who looked at this thread and just shook their heads.
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Old January 12th, 2011, 01:50 PM
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It is behind the AC box in the passenger side footwell. If you look up there you should see a 2inx3inx1in black box with a single wire coming out of it. That displays codes. You should be able to grab it without removing the AC.

Ron
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Old January 12th, 2011, 10:08 PM
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Terry L. Pierce
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Thanks, I'll fish around up there with my hand. Next question, is there an easy way that i can know for sure that everything is hooked up so that the code display is accurate. Put another way, is it very likely that a problem may exist but the code isn't getting sent to the box?
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Old January 12th, 2011, 10:22 PM
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Joshua
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Pardon my answering a question with a question, but is something wrong with your truck that is prompting this search for your ECU or you just can't find it?
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Old January 12th, 2011, 10:31 PM
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Chris Snyder
1994 D90 #614 | '07 L322 SC
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http://www.defendersource.com/forum/...ead.php?t=9250
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  #7  
Old January 16th, 2011, 05:49 PM
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Terry L. Pierce
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Seems to always be something wrong with it. Currently, about 7.49 mpg. Bought it wrecked and rebuilt from local import mechanic who gave me a 1 year warranty on it. Just would like to confirm some things for myself - I'm not quite sure what.
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