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Discussion Starter #1 (Edited)
Did some searches but did'nt find this - So I may be breaking new ground here... I downloaded the single Code I had & erased my open Intake Runner Bank #1 Code - Since then my Reader will NOT Link to the car, Reader Links to my 2005 Expedition perfectly but will not Link to the MK - It turns on when connected so there is power at the under Dash Connector but reader does not recognize Ignition coming on - When you press Link button Reader just shuts off - What have I done____?

rooting around this great site for answers too... http://www.obd-codes.com/
 

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Premium Member
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Discussion Starter #3
I checked every Fuse at the Driver Door & every Fuse in the under Hood Power Distribution Box that had anything to do with EEC & they were all good - Where would an OBDII fuse be?
 

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Discussion Starter #5 (Edited)
- Simplest problem EVER, the Trim under Dash kept Reader Connector from seating fully, a few Pins in Connector are a tad longer than others - Realigned all that & Reader works - THANX~!

OBDII Connector under Dash, I can't find any Fuse there in Manual, but you are on right track I think:

http://www.canobd2.com/Support/FAQs.aspx

Q: Why does the Code Reader turn off when the LINK button is pressed?

A: This condition occurs when power is not being supplied to the #16 pin of the vehicle’s Data Link Connector (DLC). This is usually caused by a blown fuse, and is commonly associated with the vehicles with the cigarette lighter. You should check the condition of all fuses, but the defective fuse will most often be associated with a system that has power at all times, such as the cigarette lighter, horn or dome lights.
 
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