Cadillac Repair: caddy trouble, cadillac devile, diagnostic test


Question
QUESTION: I have a 97 Cadillac DeVile with 128K miles. Recently, when I turn off the car, the radio resets itself along with the air conditioner. It is like the battery becomes disconnected and reconnects for a split second.  Along with this, at times the car will not start. No power, no nothing. Then in about 30 minutes to an hour, magic, it starts like there is nothing wrong. I have taken to mechanic, but nothing is found. Any suggestions?

ANSWER: IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other lights illuminated or any messages from the message display center ?.

What work or diagnostics of ANYKIND WHAT-SO-EVER have been performed on the vehicle trying to fix this problem ?.


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

QUESTION: yes, the CHECK ENGINE light has stayed off/on for about 12 months. No, not to my knowledge, has a diagnostic test been run.

Answer
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.