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Cadillac Repair/91 cadillac sedan deville showing "D"

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Question
 I was looking at the site and came across the question ive been looking for an answer for and i kind of got it...I am having a "d" show up in the digital readings of where my miles until empty and air control is...I was reading a response to a previous question asked and i was wondering how you switch the FDC and ECC connectors and where are they located?

Answer
Switching the FDC and ECC connectors has NOTHING to do with the "D: displaying in the fuel display.

What you have is a problem with the computer and you need to perform some simple tests if you know how to use a DIGITAL VOLT/AMP meter.

If you e-mail: onlineautohelp@msn.com

He will talk to you by telephone and tell you EXACTLY what to do to fix this problem.

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Expertise

On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.

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Held over 15 GM certifications prior to retirement in 1989.

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Prior to retirement held several ASE certifications, numerous Factory certifications.

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