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99 deville,pulled motor to replace head gaskets and timing…

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99 deville,pulled motor to replace...
99 deville,pulled motor to replace head gaskets and timing chains. Was running beautifull. Parked it for about 2 weeks and went to start it, dash don't come on for about 15 seconds, gear selectors blinks,theft problems car my not restart comes across display. Will start for about 3 seconds. Pulled codes says No: pcm,ipc,acm,sdm,tcs,pzm,irc,rfa data. What ground did i miss. Like i said ran fine for about 2 weeks, parked it for about 2 weeks went to start and this is where im at. Wire in column off ignition switch is fine
Submitted: 7 months ago.Category: Cadillac
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Answered in 3 days by:
12/4/2017
Cadillac Mechanic: Pete, Cadillac Technician replied 7 months ago
Pete
Pete, Cadillac Technician
Category: Cadillac
Satisfied Customers: 32,942
Experience: 17 years Cadillac experience as a technician.
Verified

My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.

It does sound like a ground was left disconnected or loose causing this or a power feed issue like a loose under hood fuse panel connection causing this fault here.I would go over all grounds and power feeds for any issues to resolve this fault.Check the transmission bell housing as there should be some grounds on the front side of it that may be broken or disconnected.If all is found to be o.k. let me know.

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service,your 5 star rating is appreciated ( should be a link to click on here or above).You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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