 Ok I got greater problems now |
 Nov 15, 2011 - 12:56 PM
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 Enthusiast  Joined Mar 20, '07 From Bakersfield, CA Currently Offline Reputation: 10 (100%)  |
I have to put my hood issue on hold at the moment, as funds are very very limited right now. I have greater issues... Ok, the car has power, but as I was about to drive it last night (and it started fine) i noticed that one of my headlights was working. The other flickered once, or would not come on, while one worked fine, until I flicked on the foglights, and then it would flicker. I parked the car, and now it won't start. There is no clicking noise at all, and the battery with the multimeter showed 10.29 on a red optima. There seems to be no dimming of lights, and I am wondering if it might be the starter.
-------------------- 91 MR2 Turbo SW20, 92 MR2 Turbo SW20, 95 Celica GT ST204
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Dec 7, 2011 - 3:53 PM
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Enthusiast Joined Dec 29, '05 From So-Cal Currently Offline Reputation: 12 (100%) |
i've done the alt check with the car running and pulling the POS, not the negative....if car dies, then it's the alt.
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Dec 9, 2011 - 3:55 AM
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Enthusiast Joined Aug 16, '03 From Bay area Currently Offline Reputation: 0 (0%) |
QUOTE (chacha @ Dec 7, 2011 - 12:53 PM)  i've done the alt check with the car running and pulling the POS, not the negative....if car dies, then it's the alt. DO NOT DISCONNECT THE BATTERY WHILE THE CAR IS RUNNING. reason not to disconnect the battery while the engine is running: 1) Batteries build up gasses inside the cells. When you disconnect the battery it can cause a spark causing the battery to explode sending acid, sharp plastic, and pieces of lead flying. 2) Your car battery acts as a voltage stabilizer. When the engine is running it keeps the voltage at a reasonable 12.6 to 14 volts. If you have a bad voltage regulator it can shoot the voltage up to 18 volts instantly frying your ecu. 3) There are free, more accurate, safer tests available. Disconnecting the battery method of testing the charging system is only 100% accurate on cars without fuel injection. Newer cars have clutches on alternators, ecu controlled voltage regulators, and more sensitive electronics. This disconnect battery method is a thing of the past. Please stop recommending this method as its becoming obsolete. There is no such thing as lowest acceptable voltage while cranking. It all depends on the engine compression, age of starter, and oil weight. I have seen cars start with 6 volts of power, i have also seen cars struggle to start with brand new batteries. If your engine has high compression, use thick oil(20w-50), and the battery is cold, along with an aged starter your car would have a hard time starting. On the other hand if your battery is 70 degree and has a thin 0w30 oil with a brand new starter you would have no trouble starting. |
Posts in this topic
Random_Stranger Ok I got greater problems now Nov 15, 2011 - 12:56 PM
stephen_lee 10.3v is a DEAD battery. like a completely shorted... Nov 15, 2011 - 1:24 PM
Random_Stranger QUOTE (stephen_lee @ Nov 15, 2011 - 10... Nov 15, 2011 - 1:41 PM stephen_lee I think the 9v number is the lowest acceptable vol... Nov 15, 2011 - 1:55 PM trdproven my optima red top could actually still start the c... Nov 15, 2011 - 6:39 PM stephen_lee QUOTE (trdproven @ Nov 15, 2011 - 5... Nov 15, 2011 - 7:43 PM Random_Stranger Well they are charging it at the shop, but still t... Nov 16, 2011 - 12:56 AM jakesne It sounds like the alternator is on it's last ... Dec 5, 2011 - 4:17 PM injection One way you can check if its your alternator, is w... Dec 6, 2011 - 10:01 AM Bitter do not disconnect the alternator from a running ca... Dec 7, 2011 - 8:41 AM RabidTRD QUOTE (injection @ Dec 6, 2011 - 10... Dec 7, 2011 - 11:29 AM kurt95gt id do like rabid ted said pull the starter an alt ... Dec 7, 2011 - 12:54 PM |
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