Having problems with your 2006 Chevrolet Impala ?

My car will not start, Jump the battery it starts and is good for the rest of the day. Next day car may or may not start. There has been 2 batteries put on car this year. last battery was installed by dealership. Alternator has been replaced. Starter and alternator have been checked and are fine. What could possibly be draining the battery. Again this happens after car has sat overnight. May happen a few days in a row or may go a month with out happening.

Posted / edited by AnonymousUser on : 19-02-2018

Answers :

I need you to clarify what happens when it won't start, does the engine crank over but not fire up or does if not crank at all, if the starter doesn't crank the engine over do u hear any kind of click from under the hood? this is very important, u may have burned solenoid contacts in the starter, this is the symptom, clicking but engine will not crank over,if this is the case replace the starter solenoid even if it tested ok, trust me have done dozens of these.
When your car battery goes dead overnight, usually either the battery is at the end of its life span, or you left something on, such as a light. Occasionally something is drawing power that\342\200\231s not of your doing. This is a parasitic draw, and it can cause the same result as leaving the headlights on: a dead battery in the morning.

1. Remove the negative side battery cable from the negative battery terminal.
2. Connect the black wire to the com input on the multimeter and the red wire to the 10A or 20A input on the multimeter. the meter needs to be able to read at least a 2 or 3 amps for this test to work. so connecting the red wire to the mA input on the multimeter wont work.
3. Attach an multimeter(set the dial on the multimeter to measure Amps as per multimeters instructions) between the negative cable and the negative battery post. Wait a few seconds to several minutes for the car to go into sleep mode - i.e. when you make the contact with the ammeter, the cars computer systems "wake up". After a bit of time they will go back to "sleep".
4. If the ammeter is reading over 25-50 milliamps, something is using too much battery power.
5. Go to the fuse panel(s) and remove fuses, one at a time. Pull the main fuses (higher amp ratings)last. Be sure to observe the ammeter after pulling each fuse.
6. Watch for the ammeter to drop to acceptable drain. The fuse that reduces the drain is the draw. Consult the owners' manual or service manual to find what circuits are on that fuse.
7. Check each device (circuit) on that fuse. Stop each lamp, heater, etc. to find the drain.
8. Repeat steps 1&2 to test your repair. The ammeter will tell you exact numbers.

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Repair Help & Product Troubleshooting for 2006 Chevrolet Impala

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