Cadillac Repair: ground issue with 96 seville sls, power steering rack, seville sls


Question
QUESTION: recently installed motor in a 96 seville - motor turns over well, but won't start ( no spark) went though on board display that revealed all codes as re-quested and found that the codes mean that it has a ground issue.could you please help on which grounds and location to check?

ANSWER: what CODES did you get so I can see which GROUND is common to all the fault CODES.

---------- FOLLOW-UP ----------

QUESTION: pco322,pco563,pco603,pc1376,pc1520,ip1910,noacm,nosdm,notcs,rsoo38,nopzm,noirc,rf2560,noccp codes,pcm?

ANSWER: Check for loose BLACK ground wire on backside of engine near the power steering rack assembly on the passengers side.


If you would like pictures, Contact onlineautohelp@msn.com

---------- FOLLOW-UP ----------

QUESTION: Thanks for the help to this point- checked black ground wire as requested - Still no spark (new Codes)that are present are as follows: pc0603,ip1552,noacm,nosdm,notcs,
rs0038,pz1982,noirc,rf2560,noccp,pcm? any direction or were to look next?/

Answer
pco322 =No ignition 4X reference signal.

pco563 = no such code.


pco603 = PCM keep alive memory fault.

pc1376 = Reference low voltage out of range.



pc1520 = PRNDL input fault.

ip1910 = Generator "L" terminal is open.

rsoo38 = Level control is shorted to ground.

rf2560 = RFA meaasage validation error.



If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL MULTIMETER, Simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.