Before I move on to replacing expensive items. ???? If that's all you know how to do ,your best bet would be to take it to qualified repair shop. Viewing wiring diagrams an testing the electrical circuits with a DVOM - digital volt ohmmeter is the correct way to diagnose , not guessing .
This starter system is controlled by the engine computer , if anti-theft system has a problem , or park neutral safety switch is the PCM/ECM won't energize the start relay .
https://www.youtube.com/watch?v=SNLcW7FhQFw
https://www.youtube.com/watch?v=nqaMOO0wsH8
Your can replace parts all day long an not fix this .
SOURCE: security system/battery
plz check the following and update me
1. Fuel (To be exact proper air/fuel ratio, normally it is about 14/1)
2. Spark (in appropriate moment)
3. Proper timing (the valves should open and close only in appropriate time)
4. Compression in the cylinders (Normal compression is 120 - 170 psi. The engine won't start if the compression is lower than 70 - 80 psi.)
SOURCE: battary light on , engine cut off car won't crank
sounds like it's your alternator, your alternator charges your battery and runs car once it is started. if you have a bad alternator your battery light will come on, and shortly after your vehicle will die, unable to restart without a jump. I would take your battery to autozone or an auto shop to have your battery and alternator tested.
SOURCE: car won't start after disconnecting battery to replace alternator
Are you sure you have the battery connected right, Red to + Black to -? The connections are tight? Are sure the new batery is good? I've seen that happen before where the battery is new but dead. Try jumping it from another car or put that battery in another car and see if it starts that car. If you have a voltmeter check the battery, it should be about 12.8 volts, then check while trying to start the car the voltage shoudn't drop below 10 volts.
SOURCE: I have a 2001 Kia rio , I just got a brand new
It is possible that if your old alternator was shorted out, it could have caused the main fuse to blow. The fuse is located in the engine compartment fuse box. It is an 80 Amp fuse and sits off to the right - all by itself. (See picture)
NOTE: There is also a chance that there is something else wrong that may have caused this fuse to blow. If it blows again upon replacing it, you need to inspect the wire that runs between this fuse and the alternator - it may be shorted to ground. If this is the case, you probably did not need to replace your alternator.
SOURCE: Daughter called me ..car wont
it sounds like you have blown fuse to the Alternator.. I don't know what car you are talking about but they charging systems vary.. But if alternator isn't getting all the power it needs it won't charge. this should be checked.
good luck
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