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03-05-2005, 11:56 AM | #1 |
1970 K10, 350, 4spd!
Join Date: Jun 2004
Location: Shawnee, Ok
Posts: 128
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HELP, please! Finding a battery drain.
Ok, I am still trying to find what is causing my battery to drain. I replaced the battery with a brand new one and it was drained dead within 2 days. Here is what I have done so far.
1.) Used "metal blade test" to check altenator and see if it magnetizes. I didnt feel any type of pull but maybe I was doing it wrong. 2.) Then I jumped the truch, removed the jumper cables and then disconnected the truck battery leads and the truck still ran with just the altenator. I believe this tells me my altenator is good wether it passed the first test or not? 3.) Someone suggested I disconnect the negative battery lead from the battery and place a 12v light between the negetive lead and mattery terminal. If I had a draw on the battery with the key in the off position it would show up. The light came on when I did this, so this means without any doubt I have something drawing the battery down when the key is not on? 4.) Then the 2nd part to the number (3) was to remove the fuses from the fuse box one at a time untill the light went out, then I would have found my faulty area and then be able to pin point where to look to find the draw. Well the only problem is I removed the fuses one at a time (3 times) and the light never went out. I even switched in a multimeter on the last time and watched the 12vdc stay perfectly constent, never faltered. *HELP PART* So what do I do now? Does this mean that the draw on the battery is somewhere between the battery and fuse box? Is this the only option I have? Do I follow the battery leads to the fuse box? Am I missing something obvious? Attached is a picture of my fuse box, I doubt it will help but thought It wouldnt hurt. |
03-05-2005, 12:23 PM | #2 |
Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Disconnect the red wire on Alt. and check at battery for drain. Unplug voltage reg and check.
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
03-05-2005, 12:26 PM | #3 | |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,682
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Quote:
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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03-05-2005, 04:57 PM | #4 |
1970 K10, 350, 4spd!
Join Date: Jun 2004
Location: Shawnee, Ok
Posts: 128
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Ok, when I disconnect the regulator the light goes out? The regulator shouldnt have any draw on the battery and it does, so it needs to be replaced?
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03-05-2005, 08:44 PM | #5 |
Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,716
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It sounds like you may have found it. If the exciter coil in the regulator has stuck points, then the red wire would be feeding through it and back to the alternator field. You might try hooking the regulator back up and disconnecting the plug on the alternator to see if the light goes out.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
03-05-2005, 10:06 PM | #6 | |
1970 K10, 350, 4spd!
Join Date: Jun 2004
Location: Shawnee, Ok
Posts: 128
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Quote:
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03-05-2005, 11:02 PM | #7 | |
Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,716
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battery drain
Quote:
http://www.madelectrical.com/electri...reewire2.shtml Vettevet- this is interesting
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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03-05-2005, 10:08 PM | #8 |
Senior Member
Join Date: Jan 2002
Location: Williston, ND
Posts: 2,999
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voltage regulator
My battery kept going dead within a few hours also, so I replaced the voltage regulator with one from a junk yard and it seems to be working just fine now. Hope this helps. Doug
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03-06-2005, 10:19 AM | #9 |
Active Member
Join Date: Jan 2004
Location: Centerville, GA
Posts: 240
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Did you just replace your steering wheel? Check the horn relay that is at the top and right to see if it is warm/hot. I replaced my steering column and on the old column some cut the horn wire because the horn contact was hitting the side of the steering wheel adapter. The horn was disconnected too. It took me a little while to find it. Good luck.
Sonny |
03-06-2005, 01:04 PM | #10 |
Nothing fits but the oil
Join Date: Mar 2003
Location: Gaston, Indiana
Posts: 424
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