My son has a Dodge Neon. Over the past year we have replaced the battery, alternator and starter and it still leaves him sit if he doesn't use the car every or everyother day.
My son has a Dodge Neon. Over the past year we have replaced the battery, alternator and starter and it still leaves him sit if he doesn't use the car every or every other day.
He is a college student that relies on his car, what are options that I can have our mechanic look at next?
could be a bad battery shorted out failing under load...wont hold a charge..have the battery tested...if thats ok....then you have a bad draw something sucking the juice out of the bayyery,,, or both a bad abttery and a draw... if you check draw as pictured ..look for 1 volt or less showing on the meter with everthing off (power/key)
Your mechanic needs to do a parasitic draw test. Something, somewhere on the car is drawing power after the ignition is shut off. It's tedious and time consuming. You can actually do the test yourself by getting a 12 volt DC test light, disconnecting the positive (+) battery cable, and start pulling fuses. Connect one end of the test light to the positive (+) battery terminal and the other end of the test light to the disconnected battery cable. If the test light lights up brightly there's a problem. It can be expected to light dimly because of the normal draw from the computer and radio. Remove and replace each fuse in the car individually until the test light goes dim or goes out. When that happens you'll know what circuit the problem is on. Then start investigating devices on that circuit. If he's got an aftermarket stereo in the car, start with that fuse. Aftermarket accessories are the A-#1 cause for electrical problems like this in a car. HTH. -Jim
Get a Cheap digital meter ($5 bucks at Harbor freight) Put the meter on DC amps (10 A fused connection) Remove the red + wire then put the meter in series with the Positive battery terminal and red wire ... the number on the display is in amps .. if it's anywhere near 1 amp ( less than 1 will have a decimal point like .5 is point 5 or 1/2 amp) then on a 70 AH battery it will take 70 hours to completely discharge a battery. After you determine the current draw ... go the the fuses and pull one fuse at a time out. Once you see the meter go to a very low reading ,, Eureka!! You found the problem (or at least isolated it)
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