1997 Jetta will not start with abrand new battery!
Replaced battery in 1997 Jetta after it would not take a charge after cleaning corrosion off of terminals. Now have power from new battery but car will not start. Engine does not try and turn over, no starter noise, nothing. All the dash lights glow when ignition is turned on and the radio is in safe mode waiting for the code to punched in.
Also the hazard lights flash even though the button for the hazzard is not engaged- cant turn them off!
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If you just replaced the battery then my guess is that you have a bad alternator. Your fresh battery could hold the charge for a couple days without being charged but now it's dead. Try charging the battery (via jumper cables or a battery charger). If the car starts up after the charge then you probably need a new alternator. You can verify this by checking the voltage across the battery after you start the car. The voltage should be more than 13.5 volts, if it's any less than the alternator isn't charging the battery. Good luck!
Check the battery cables, both ends for corrosion. clean or replace. The corrosion will travel up in the rubber coating of the wire. So if it looks like it is (usually will start to swell up) replace the cable. This is one reason for your problem. the other is the starter is just pulling to many amps. it needs replaced.
corrision is caused by battery gases .chances are the battery is no good because when engine is running the charging sences the battery is low on charge and is litterly boiling the battery fluid causing heavy corrosion you can test my theory by letting car run and smell around the battery.that should help with the why. also charging system could be sending full charge to battery at all times and might be the problem why battery is bad.replace battery and test charging system.new baery needs to be fully charged to make a correct test
if that helps let me know
I think that you have a problem with corroded battery cable. Take the cables of one at a time and lightly sand/scrape the inside of the cable untill you see clean metal. Do the same with the post. Reclamp the cable, and do the other one. Often times the cables and post become corroded with battery acid when the car is charging and the corrosion will not allow enough curren to flow to spin the starter.
did this problem start after the new alternator or is this the reason you replaced the alternator? sounds like a loose wire on the alternator or the battery post. make sure the battery terminals are clean from corrosion. if there is a hot spot on the wires or connectors that is a good sign that is a loose connection.
If the car has all the housing around the battery then you have to remove it locate two, one on each side, indents, press them in and lift it will come up and expose the battery, the positive and negative are marked and are pretty each to access or clean, I am sure there is corrosion on the terminals remove and clean the terminals if you battery is very old and you are planning on keeping this car for along time look into getting an oddessy battery they are amazing, just google it they are not cheap but once installed you do not have to worry about them ever again, no corrosion or anything ever.
I had the same problem when i replaced my battery. 1: unplug the battery 2: put key in ignition and turn to Aux Mode (that is the last click befor you turn the car on) Not all the way as if your turning the car on! Do not remove key! leave it in the ignition. 3. Hook up the battery and it will reset the computer. (wait for a few seconds) 4. Turn car on!