Question about Buick LeSabre
STARTER HAS BEEN REPLACED BATTERY REPLACED CAR SITS OVERNIGHT TRY TO START IT CLICKS VOLTAGE DOWN TO 11 PUT ON BATTERY ON CHARGER CAR STARTS
Sounds like you might have what's called a parasitic draw on your battery. Parasitic draw is an electrical component staying on after you turn the car off (that isn't supposed to be staying on) and draining the battery over night. This can be caused by a multitude of things- the light in the glovebox staying on, an aftermarket accessory incorrectly installed to your vehicle, or malfunctioning, a factory component in the car malfunctioning and staying on, a power seat switch stuck on... the list goes on and on. The easiest things to check would be your dome lights, trunk lights, sun visor lights, glove box lights, and seat switches. Make sure the lights are all off after you take the key out and close the doors. Make sure none of the power seat switches are stuck on. If you can't find anything checking the lights and seats, you're going to need a digital multimeter connected to the battery to measure amps, to measure the actual parasitic draw. Once you establish how much parasitic draw there is (30 MilliAmps or less is acceptable), you're going to need to start pulling fuses one at a time to find out where the parasitic draw is coming from. When you pull a fuse and the parasitic draw on the meter goes away, you've isolated the circuit. Then you'll need to find what on that circuit is using power when it shouldn't be.
Good Luck :)
Posted on Oct 20, 2013
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Posted on Jan 02, 2017
If you are jumpering the starter, then the battery is not being drained, the starter may have a bad solenoid.
If the problem still is a dead short, a painstaking troubleshooting is required.
Remove one fuse at a time, check for voltage drop, and see which one is the culprit. Then you woud have to locate each item on that circuit and trace the wires for one that is broken, or pinched & contacting ground.
Also, check at night or in a dark garage, as trunk, door, or hood pin switches may be stuck in the open position - and will keep the lights on.
Interesting note - your having to jumper the solenoid on the starter indicates a possible worn/damaged ignition tumbler. If your tumbler is not seating on the OFF detent, your ACC may still be left on even with the key out of the ignition.
Posted on Jan 15, 2009
sounds like there is a dead spot in the starter. i think the other stuff may not have needed to be replaced. when the car won't start, have someone try to start while you TAP the starter with a hammer.- probably the starter, though.
Posted on May 23, 2009
Yes. the starter is malfunctioning at this time. it could also eb a ignition issue as well. here is a quick starter test procedure that will help you troubleshoot a bit.
Step 1 Check for 12 volts on the large wire attached to the top terminal on the starter relay. It should have battery voltage. If not, the battery, terminals or wire is bad.
Step 2 Check the small wire on the solenoid for power when the key is in the start position. Remove the small wire on the solenoid and have a helper hold the key in the start position. Check the wire for battery voltage. If there is voltage, the starter is bad. If there is no voltage, replace the wire.
Step 3 Check the fuse in the fuse box under the hood on the left fender well. If it is good, check the relay by pulling it out and checking for power at one terminal with the key off. If there is no power, the problem is in the fuse box between the fuse and the relay. If there is power, have the helper hold the key in the start position once again and check for power at another terminal from the ignition key. If there is power, the relay is bad. If there is no power, the starter circuit is suspect.
Step 4 Check to see if there is power to the neutral safety switch if there is no power at the relay. Use the voltmeter to check for power with the key in start. If there is power going in, check for power going out. If there is no power going in, the security system or ignition switch is suspect. If there is power going in and none coming out, the switch is bad. If there is power coming out, the problem is between the neutral switch and the relay.
Step 5 Remove the cover on the bottom of the steering column. Check the solid yellow wire for power when the key is in the start position. If there is no power, the ignition switch is bad.
Posted on Sep 21, 2009
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