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Why is your radio not working after installing a new battery and alternator on your 2000 mercury cougar?
Wiki User
∙ 12y ago
Every time you disconnect a battery cable you have to reprogram the radio
stations ( if that's what you are asking )
Wiki User
∙ 12y ago
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Will battery idiot light come on if battery is low but alternator is ok?
No. If the alternator is working fine, the battery power is not used.
Can a bad alternator drain a good battery?
It doesn't actually drain the battery, but without a working alternator to recharge the battery it will only discharge as the car is operated.
How long does it take to recharge battery with alternator?
Depends on how low the battery is but give it 10-15 minutes and it will be fully charged, assuming the alternator is working properly.
1996 Nissan 200sx battery and brakes on why?
alternator is not working so your battery isn't getting a charge
What could be wrong with my car if both the battery and the alternator are good but the charging system isn't working?
If the battery and alternator are good and the charging system is not working, then you either have loose or corroded wiring or the drive belt is slipping.
Why is the battery on your car losing juice?
Most likely your alternator is not working properly.
If an alternator overcharges the battery a likely explanation is that the?
The voltage regulator is not working properly.
What causes the battery to go dead in a 1993 Mercury Cougar when it is parked the alternator seems to be working fine could it be a relay?
An alternator can charge normally but can still drain a battery if the diode(s) are defective. Try this: remove the(red) positive cable from the back of the alternator and then touch it to the post that you removed it from. Remember, this is hot so don't touch it to anything else. If it sparks this indicates the alternator is pulling current, and is bad.
What is a way to check alternator car should stay running if battery is disconnected?
If the alternator is not working the battery gets discharged. In most cars a light will show on the dashboard - battery light icon, and this will suggest fault in the battery or alternator. You will need to start the car and check if it is charging the battery, and most garages will do this check for you
Battery light stays on after alternator has been repaired on a 1990 Honda civic LX?
Is the alternator actually working. It is possible to buy a new alternator that is defective.
If Alternator dash light burned out will it prevent the alternator from charging?
no, the light has nothing to do with the alternator working properly, the light is only to warn you that it isn't charging the battery properly.
Why would the battery die when both the battery and the alternator is new?
Alternator not working properly or not connected properly. Wherever you bought the alternator take it back and have them check to make sure it works properly. Also make sure the new battery was fully charged when you received it. HTH.
