Battery drain - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

 
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post #1 of 10 (permalink) Old Nov 24th, 13, 1:33 PM Thread Starter
Ed
 
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Battery drain

Battery recently being drained. Some symptoms noticed are; dome light will not go out and key warning not working properly. thoughts? This is on a 69 Chevelle SS...
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Last edited by Ed Hobbs; Nov 24th, 13 at 1:44 PM. Reason: added info
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post #2 of 10 (permalink) Old Nov 24th, 13, 2:13 PM
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Re: Battery drain

Quote:
Originally Posted by Ed Hobbs View Post
Battery recently being drained. Some symptoms noticed are; dome light will not go out and key warning not working properly. thoughts? This is on a 69 Chevelle SS...
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Well, the dome light staying on would certainly be a cause for the battery drain.

What is the "key warning" doing?

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post #3 of 10 (permalink) Old Nov 24th, 13, 2:16 PM Thread Starter
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Re: Battery drain

the key warning was failing to turn off with door closed but now has become very intermittent and often inoperative. Could it be the horn relay?
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post #4 of 10 (permalink) Old Nov 24th, 13, 2:20 PM
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Re: Battery drain

Possibly, OR a bad door jam switch, OR an intermittent short to ground.

Does it shut off with the key removed?

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post #5 of 10 (permalink) Old Nov 24th, 13, 2:23 PM Thread Starter
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Re: Battery drain

the dome light stays on regardless if key is in ignition or not
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post #6 of 10 (permalink) Old Nov 24th, 13, 2:26 PM
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Re: Battery drain

Check your door switch and or circuit , also look at your light switch . Make sure the battery is good , have it load tested . For checking parasitic loads , remove the ground cable and reinstall it looking for a spark when reconnecting it , this indicates a draw on the battery . Disconnect components , like the starter and the altenator individually . With each component disconnected , reconnect the ground cable looking for a spark . If the spark disappears you have found your draw or parasitic load on the battery. This can also be done using a amp clamp on the positive and or the ground cable actually seeing how much amperage is being drawn with the load being applied . When the amperage load drops you usually find the component or circuit causing the parasitic load on the battery . Good luck
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post #7 of 10 (permalink) Old Nov 24th, 13, 2:30 PM
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Re: Battery drain

Quote:
Originally Posted by Ed Hobbs View Post
the dome light stays on regardless if key is in ignition or not
Sorry, I meant does the key minder act up with the key removed?

I would pull out the door jam switch and check it out since it would be the common thing for both problems.

Disconnect it's wires and tape them up for a temporary fix.

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post #8 of 10 (permalink) Old Nov 24th, 13, 2:36 PM Thread Starter
Ed
 
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Re: Battery drain

Thanks for the info. The Battery is brand new. The starter is brand new and the alternator is new. When connecting the battery leads there is no visual sign of a spark at all. I will keep looking at other things though. if you think of anything else i would appreciate the post. Thanks again.
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post #9 of 10 (permalink) Old Nov 24th, 13, 2:43 PM
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Re: Battery drain

Just a note on new parts , just because its a new component does not mean its good. It should be but sometimes this is not case .
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post #10 of 10 (permalink) Old Nov 27th, 13, 11:41 PM
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Re: Battery drain

X2 on Boo,Man.1971, Delco box made in Mainland China.
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