Question about Cadillac DTS
Get a battery check first and have it charged. Then, switch off all lights, radio, ignition switch. Reconnect the charged battery negative ground first, then, the positive terminal. Find if there's a spark. if it does, then, you must check your electrical wiring since this is grounded. Do not connect the positive terminal. Clear the grounded connection first. If no spark, go ahead. Crank your engine, and let it run at neutral position. And check the voltage that goes out of the alternator, this must be more than 15 volts DC. Then check the voltage output of the regulator which must be 13
to 14 volts DC. However, if you cannot get the right voltage at the
alternator., you have to replace it. Then, you can check the regu-
lator output voltage, and get the right voltage. Get this done,. and
send your e-mail for the result.
Posted on Oct 04, 2009
Your battery is likely reaching the end of its usefull life. The solution is to replace the battery
Posted on Oct 04, 2009
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Posted on Jan 02, 2017
This problem sounds a lot like a charging system issue. I would check to see if your alternator is charging properly. With the car started and a load is placed on the electrical system, such as turning on the headlights, A/C on high, etc., check the DC voltage at the battery. It should be right around 14.4 volts. If it's only reading right around 12V or lower, your alternator is at fault and should be replaced or rebuilt at an auto electric shop. It's a simple test and certainly won't take long to diagnose.
I hope this helps! :)
Posted on May 19, 2010
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