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Obd port issuses

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Old Sep 17, 2010 | 05:08 PM
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Obd port issuses

Ok on my 99 super duty I can't get the obd port to power up a programmer. My cig lighter works and every fuse is good but obd port still wont work. Anyone else have any ideas what it might be. I have used a test light on it and have power in three spots? Someone help me out here I'm about to go crazy.
 
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Old Sep 17, 2010 | 05:56 PM
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Have you tested the programmer on something else to make sure it is working?
 
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Old Sep 17, 2010 | 06:54 PM
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Yea we took it right off one truck to put to mine and wouldn't work so I took it to auto zone to use their tester and it didn't work either
 
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Old Sep 18, 2010 | 03:22 AM
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wrong thread sorry
 
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Old Sep 18, 2010 | 08:29 AM
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I did a search and every thread pointed to the fuse. I would try to find a pin out diagram and follow it back to see where the power is lost.
 
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Old Sep 18, 2010 | 01:32 PM
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That's exactly what I did I got a schematics of the wiring and I found it up in the dash. Thanks everyone I appreciate the help.
 
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Old Sep 18, 2010 | 11:14 PM
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Same thing happened with mine. It was a fuse. I think there is a special OBD fuse. It confused the hell out of me for like 2 days.
 
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Old Sep 18, 2010 | 11:25 PM
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It's fuse #12. A mini 20amp.
Had to replace mine today.
 
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