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Cadillac Repair/199 4 fleetwood brougham want start .

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Question
I don't know why the car want start. Here's a list of new parts that I have put on and it still want turn over. 1. Fuel pump and filters.
2. New distributor  cap an rotor kit.
3. New starter.
4. New battery.
5. New oil change.
Now after all those parts i have checked all the fuses and flush the radiator,not to mention the I have replaced the master cylinder to. Why want the car turn over an yes the spark plugs have been changed. Now my car has been sitting up now for a while. What is wrong please I need help.

Answer
Well,

Nothing other than the starter and the battery have anything to do with the engine cranking.  Question: Does this vehicle have an ignition key with a big black chip in it? If so, that is the very problematic VATS junk that I will tell you to have bypassed. That is a majority of the reason these GMs don't start.

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Rob Painter

Expertise

Alarm system questions cannot be answered on this forum. These systems are not what I can answer. Without being physically at the vehicle and not knowing what kind of electrical service has been done on the vehicle, there is no possible way to give an accurate answer over the internet. My expertise is in Ignition/key based anti-theft systems. These issues include GM VATS (resistor chip in key blade) PASSLOCK (MRD)-ignition lock rotation based, no special ignition key and the PKIII Transponder (computer chip in key) systems. These systems are not alarm based and are integral with the starting of the engine. This is why I cannot diagnose alarm problems without physically looking at the vehicle: Alarm systems are a completely different annimal than ignition key/lock based anti-theft system. Many alarm questions come from vehicles 10 years old, and since older, many hands that had been involved over the years.I am an expert in all GM factory (ignition/key based)systems. Alarm system questions pose to many situations beyond my knowledge as to what has been done to the vehicle over the years. Some guy may have actually wired the stereo into the alarm system. Who knows? Over my past 30 years in vehicle wiring repair, I have seen unbelievable wiring disaters done by guys that consider themselves "mechanics." I have seen stereos and alarms intalled using surgical tape. I have seen modules burn up, un-fused circuits, wiring jambed between the doors and even lamp cord used for a starter kill. To answer alarm questions over the internet without examining the vehicle is like asking; What does it take to remove a dent?

Experience

Education/Credentials-ASE certified. 11 years with a GM dealer and 17 years with a repair facility dealing with only the repair of theft recovered vehicles.

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