Assistance from techs on charging issues and others
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Assistance from techs on charging issues and others
First of all the vehicle is a 94 lx sedan. Converted from automatic to manual and swapped to a mini-me.
I've been fighting an issue with my battery and alternator for a while. My battery used to die down but seemed to keep enough power to turn the motor over and I was fine. But then it finally started to completely drain so i first replaced the battery because test showed it to be bad. Then it continued so i moved to the alternator. It also turned out bad and then replaced it. Now the batter still isn't getting charge.
I've been told to check the Alternator fuse but I'm not able to locate a fuse designated for the alternator.
While searching for a resolution I found several plugs and wires that I couldn't identify and lead to no where. Here are some pics of those if anyone can help i.d. them.
This one is a plug that I found dangling on the passenger side laying on the backside of the tansmission. Its both sides of the plug but the one end has no wire.
Any help would be appreciated thanks.
I've been fighting an issue with my battery and alternator for a while. My battery used to die down but seemed to keep enough power to turn the motor over and I was fine. But then it finally started to completely drain so i first replaced the battery because test showed it to be bad. Then it continued so i moved to the alternator. It also turned out bad and then replaced it. Now the batter still isn't getting charge.
I've been told to check the Alternator fuse but I'm not able to locate a fuse designated for the alternator.
While searching for a resolution I found several plugs and wires that I couldn't identify and lead to no where. Here are some pics of those if anyone can help i.d. them.
This one is a plug that I found dangling on the passenger side laying on the backside of the tansmission. Its both sides of the plug but the one end has no wire.
Any help would be appreciated thanks.
Last edited by defino; 12-07-2009 at 09:22 AM.
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Re: Assistance from techs on charging issues and others
That last pic is the oil pressure sending unit connector, or the water temp sensor on the back of the block, typically there are 2 of them. make sure you dont have any sensors unplugged on the back of the block.
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Re: Assistance from techs on charging issues and others
First plug is for a 1 wire unheated O2 sensor, I have no idea why its there though, It would have originally come with a 4 wire O2 sensor, unless someone used a CX harness. Second plug is for the oil pressure sending unit on the back of the block above the oil filter.
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Re: Assistance from techs on charging issues and others
check/recheck all grounds.
I bought an "OEM" replacement alternator from Orileys a few years back and ended up exchanging it 2 times before they gave me one that worked for more than a few days.
I bought an "OEM" replacement alternator from Orileys a few years back and ended up exchanging it 2 times before they gave me one that worked for more than a few days.
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Re: Assistance from techs on charging issues and others
As far as the charging situation i'm still looking for things but not finding anything.
I'm going to exchange my battery today. Is there a way to tell if the battery is receiving charge?(other then the obvious of running it until it dies or not)
Thanks again guys.
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Re: Assistance from techs on charging issues and others
Those unplugged sensors are unlikely causes for your battery drain or failure to charge. Test for parasitic drain and have the alternator tested at an auto parts store. Does the dash battery/charge light remain on while driving?
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Re: Assistance from techs on charging issues and others
I tested for parasitic drain according to the link that was posted, but i only checked the fuses in the engine bay. checking the underdash fuses in a few.
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Re: Assistance from techs on charging issues and others
how many ground wires do you have and also you said you got a swap done right???if so check the two cables on your fuse box under the hood the two cables #1-from the altenator and #2-from your positive cable or starter, make sure they're not backwards on the fuse box that could cause a discharge in your battery.....
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Re: Assistance from techs on charging issues and others
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Re: Assistance from techs on charging issues and others
OK, So I got the new battery in this morning. Went to test it again, now i'm getting oL(overload?) on the 300mA setting, so I switch to 10A and I'm getting .29
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Re: Assistance from techs on charging issues and others
All electrical components were turned off when you did the test, right? If so, your bad battery was masking a large parasitic drain. Start pulling fuses to pinpoint the source of the drain.
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Re: Assistance from techs on charging issues and others
I went back out and remembered my cigaretted lighter hasn't worked for a while so i just unplugged it. I redid my test and came up with 5.7mA. I don't know if that was the problem or not but as of right now everything is working fine.. we'll just have to see if this battery dies overtime i guess.
Thank you for all your help.
Thank you for all your help.
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