 Dead Battery or Alternator, Won't start |
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 Mar 13, 2006 - 7:38 PM
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Enthusiast Joined Sep 8, '05 Currently Offline Reputation: 0 (0%)  |
Hi. I can't start my car anymore. This morning when I was driving, the batt light came out but the car still kept on running. When I got home, I cleaned the terminals and check for wiring disconnection. Checked the connectivity of the alternator terminal (top terminal) with the terminal contact on the + connector of the batt and it was ok. Also - connection too was good. When I had turned on the car to ON position only the 'seat belt, brake and door' lights on the dash board lit and not the batt. When I had started the car the started kicked and the engine started but as soon as I had released the key the engine stopped. So, I had double checked all the connections and cleaned it again. The volts across the batt terminals is 12.8Vdc, alt terminal to neg and batt + to engine block was all the same. I had started the car and noticed that the wiper is not moving as fast as it should and when I step on the accelarator the batt needle even did not move, at all. So, i thought the batt is not charging and after a few minutes the headlights are getting dimmer, so I measured the batt voltage and it now dropped to 9.8Vdc. So, the batt is not charging. What could be wrong? Dead batt (purchased 8/2002) and need to replace the alternator? Thanks.
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Mar 13, 2006 - 9:20 PM
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Enthusiast  Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
it *sounds* like an alternator problem.
get the battery charged up and then with it in the car start the car, run all the accessories and watch the battery voltage while its running with all the acessories running. you should see 12-14 volts steady if the alternator is doing its job. if its not then the battery voltage will begin to drop. thats the simplest way that i know of to home test an alternator. -------------------- |
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Mar 13, 2006 - 9:36 PM
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Enthusiast Joined Sep 8, '05 Currently Offline Reputation: 0 (0%) |
QUOTE(Bitter @ Mar 13, 2006 - 9:20 PM) [snapback]407157[/snapback] it *sounds* like an alternator problem. get the battery charged up and then with it in the car start the car, run all the accessories and watch the battery voltage while its running with all the acessories running. you should see 12-14 volts steady if the alternator is doing its job. if its not then the battery voltage will begin to drop. thats the simplest way that i know of to home test an alternator. You're right. The alternator is dead. I had borrowed a battery tested with load switch and had jumped started my car with another car. The needle on the tester read barely OK, like 10% of the green zone. And when I removed the jumper from the other car the needle started to go down. So, the alternator is dead. 
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Mar 13, 2006 - 9:42 PM
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 Enthusiast Joined May 6, '05 From PA Currently Offline Reputation: 4 (100%) |
You can find them for cheap, I bought one off FAQdaWorld for like $30.
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