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Need to know loss and neg termanal for batt - Cars & Trucks

Need to know loss and neg termanal for batt samsung np305v5a laptop

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Time to break out the trusty multimeter!

Posted on Jan 09, 2014

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Posted on Jan 02, 2017

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Whirring sound and battery light on


YOU NEED A NEW ALTERNATOR..YOU CAN ALSO GET A VOLT METER TO TEST THE CHARGING SYSTEM WHEN CAR IS RUNNING/CONNECT POSITIVE CABLE TO POS ON BATT/CONNECT NEG ALSO TO NEG ON BATT SEE IF ITS READING VOLTAGE!!

May 24, 2013 | 2006 Chrysler Town & Country

1 Answer

84 camaro good battery and alt so the part store says but after one start battery is dead have all new wires ?


Battery is only used to start engine.
after charging battery, start car. remove Negative cable, if car dies, wiring to alternator is faulty.

if continues to run, shut off car and all accessories. install ammeter between Neg. cable and battery, if it shows a draw, pull fuses one by one to find circuit with draw while car is off.

Feb 19, 2013 | 1984 Chevrolet Camaro

1 Answer

Chevy venture draining battery


The alternator is out. The ONLY time your vehicle uses battery power (while the engine is turning) is during start up. After that the alternator runs the car.

With the car running put a volt meter on the alternator. Red lead on the big nut on back side if alt. Black lead on the neg batt cable or a good body ground. Voltage should be around 14.5v DC.
Then still with engine running, red lead to batt postive, black lead to batt neg. Voltage should read the same. 14.5v DC
If not, the alt. Is bad

Dec 31, 2012 | 2002 Chevrolet Venture Passanger

1 Answer

Gauge showing low output alt only 1yr old wondering if it could be regulator or batt or wiring


if you have access to a digital multimeter, connect the meter (set to volts) across positive and neg. terminal of the battery, should read roughly 12.6 volts, close to 10 volts, battery may be going out, also test the alt output, disconnect neg term and place negative lead to battery neg post and positive lead to neg battery cable (make sure meter is set to amps) should read near the rating, if both those, then you'd want to do a resistance test, (set meter to Ohms) disconnect battery and connect meter neg to either pos cable terminal or where the pos cable connects to the alt and connect positive lead to opposite of neg, should read next to 0, the check resistance of the ground by connecting meter between batt neg cable and body of alt.

- Spenser

Apr 04, 2011 | 1988 Ford F 250

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Engine will not turn over. No electrical power anywhere. Battery is good.Checked all fuses.


sounds like a ground or positive cable loss connection , start at battery and hook jumper cables to the - neg batt post and to the body or frame. grab + positive cable and check all connections at battery down to starter.

Apr 03, 2011 | Toyota Corolla Cars & Trucks

1 Answer

First thing every morn. I have to jump it off at the starter. won't work at battery. after 1st start, it will start fine all day. Battery checks out fine. It's like the power does not get to the starter...


It sounds like possible bad batt cable or connection as it takes a bit more batt power when engine is cold to crank engine. if you have a volt meter, you can check this. set to volts dc and put one lead on batt neg. post and one on engine block, crank engine, in theroy you should not see any voltage but if you do, that is whats lost in neg cable, in my exp. you will see about .5 volts if you see too much more than that, i would be looking at cable. you can do same thing on pos. side but keep in mind if you go from batt pos. to large stater pos. at stater and you have a ext. sol. like ford likes to use that your loss could be in the sol. contact as well. And under cranking mode your batt should drop to no less that 9.6 volts under load and thats tested at batt post.

Jan 24, 2011 | 1996 Dodge Dakota

2 Answers

2002 chevy tahoe, draw on battery, new battery, altenator good, discounected pass-power seat(heard they go bad)...don't know what to do?


try unhooking the power wire off the back of altenator it may charge but if a diode is stuck it will drain your battery if this is the problem the altenator will still charge but will drain your battery over night

Jan 17, 2011 | Chevrolet Tahoe Cars & Trucks

1 Answer

Is there a secret to jump starting a 1979 dodge sportsman jamboree


nope you just make sure that the pos and neg termanals are being conected to the pos and neg terminals of the the rig your using to jump it

Sep 20, 2010 | 1983 Dodge Cargo

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