I changed the alternator and the car wont start now what do you do?

1. Why will my car not start after replacing the alternator?
2. Do I need a jump after replacing alternator?
3. Why would a car not start if the battery and alternator are good?
4. Can ignition switch cause car not start?
5. Where is alternator fuse located?
6. Do you have to disconnect battery before changing alternator?
7. Can you install an alternator incorrectly?
8. How long should I let my car run after installing a new alternator?
9. Can Jump starting damage alternator?
10. Can a new alternator drain a battery?
11. Why is my car cranking but not starting?
12. Why does my car only start when jumped?
13. What sensors can cause a car not to start?

Why will my car not start after replacing the alternator?

The battery should be checked first. If the battery is low enough, then this will occur. If the battery is fine, then the fuses for the charging system need to be checked. If one of the wires for the alternator shorted when the alternator was replaced, then this will occur.

Do I need a jump after replacing alternator?

Replacing the alternator does not create a jump-start opportunity. If you need to jump-start the car, the alternator work is not the cause.

Why would a car not start if the battery and alternator are good?

If your vehicle won't start, it's usually caused by a dying or dead battery, loose or corroded connection cables, a bad alternator or an issue with the starter. It can be hard to determine if you're dealing with a battery or an alternator problem.

Can ignition switch cause car not start?

If your car has ignition switch problems, you might not be able to start your car. ... However, if your car has ignition switch problems, you may not be able to start the car at all. Ignition switch problems can also cause issues on the road, such as unexpected shutdowns or electrical problems.

Where is alternator fuse located?

Most of the time, there's a high-amperage fuse or fusible link between the alternator's battery terminal and the battery. Also, there are usually low-amperage fuses in series with the alternator's sense terminal and ignition terminal.

Do you have to disconnect battery before changing alternator?

1. Disconnect That Battery. The alternator replacement tip that might seem obvious, but is easy to forget, is to ensure that your vehicle's negative battery cable has been disconnected before you begin the work.

Can you install an alternator incorrectly?

usually it won't fit, either the shape or the plugs will be wrong. Occasionally on less developed vehicles you might find one model has an uprated alternator to cope with extra electrical loads and the smaller alternator then won't charge the battery quite as well on short journeys on cold dark days.

How long should I let my car run after installing a new alternator?

If your car does start, let it run for a few minutes to help charge the battery further. Unhook the clamps in the reverse order of how you put them on. Be sure to drive your car for about 30 minutes before stopping again so the battery can continue to charge. Otherwise, you might need another jump start.

Can Jump starting damage alternator?

Jump start your car correctly

When this happens, the safest way to perform this is with a battery jump box. These boxes enable the jumpstart to occur with no risk of damage to the starter or alternator.

Can a new alternator drain a battery?

A car alternator recharges the battery and powers certain electrical systems like lights, radio, air-conditioning, and automatic windows. If your alternator has a bad diode, your battery can drain.

Why is my car cranking but not starting?

When your engine cranks but won't start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression. The most common causes are problems in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter).

Why does my car only start when jumped?

Signs the Alternator has Failed:

Or that your gauges are behaving strangely. If you jump start your car and it will start, but the engine dies right after the jump then it is most likely the alternator. ... This could damage your car or truck's electrical systems).

What sensors can cause a car not to start?

A bad Crankshaft Position sensor is a common cause of no starts. The signal from this sensor goes to the PCM or ignition module that switches the ignition coil(s) on and off. If you have an RPM signal, a bad ignition module or PCM may not be switching the coil(s) on and off.