Help Battery drain somewhere
Thread Starter
6th Gear
Joined: May 2004
Posts: 6
Likes: 0
From: ventura ca
Help Battery drain somewhere
I have a drain on my 64's battery thats connected with the bottom fuse that controls the door lights, clock and horn I think. I disconnected each of those one at a time and still have a drain on that circuit. What else is used on that circuit that I could disconnect to see ? Or is there something else Im missing.
thanks for your help
thanks for your help
Racer
Joined: Jan 2004
Posts: 277
Likes: 0
From: Bellevue WA
Re: Help Battery drain somewhere (adamup)
I had that happen and still had the drain after pulling ALL the fuses. I replaced the fuse box which had considerable rust and it still drained. In my case, it was a short in the emergency brake warning light which is located under the dash by the brake pedal. Of course, that doesn't mean yours will be the same but it's a place to look. I also have a right brake light that seems to work on its own schedule so it could be anything.
Le Mans Master
Joined: Nov 2000
Posts: 7,246
Likes: 21
From: Going too fast over the hill. Iowa
Re: Help Battery drain somewhere (adamup)
Did you disconnect the courtesy lamp at the back of the car and the glove compartment lamp too?
If you disconnect all the items (at the same time) that the wiring diagram indicates are fed from the fuse, and the circuit from the fuse box (with the fuse removed) still finds ground (use an ohmmeter between the fuse contact and ground), one of the feed lines to the disconnected items is grounded. Otherwise, that is a good circuit and the problem is elsewhere.
Did you use a meter to check the circuit? Did you look at the wiring diagram to see all the circuit branches? Let us know....
PS I don't have the circuit diagram with me now, but I can look later if you want me to verify every branch off that fuse.
:lurk:
[Modified by magicv8, 7:47 AM 5/7/2004]
If you disconnect all the items (at the same time) that the wiring diagram indicates are fed from the fuse, and the circuit from the fuse box (with the fuse removed) still finds ground (use an ohmmeter between the fuse contact and ground), one of the feed lines to the disconnected items is grounded. Otherwise, that is a good circuit and the problem is elsewhere.
Did you use a meter to check the circuit? Did you look at the wiring diagram to see all the circuit branches? Let us know....
PS I don't have the circuit diagram with me now, but I can look later if you want me to verify every branch off that fuse.
:lurk:
[Modified by magicv8, 7:47 AM 5/7/2004]
Pro
Joined: Oct 2001
Posts: 621
Likes: 1
Re: Help Battery drain somewhere (magicv8)
I had a bad connection to the starter that would drain the battery overnight. Don't remember the details now, but some wire was connected to the wrong terminal. Everything still worked, but the battery would die overnight. Very weird. I have the details somewhere stashed if you want to know.
This was a drain that was there with all fuses pulled. Obviously you've isolated the circuit with the drain.
This was a drain that was there with all fuses pulled. Obviously you've isolated the circuit with the drain.
