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Ollie's 66 American Convertible

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Ollie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ollie Quote  Post ReplyReply Direct Link To This Post Posted: Apr/30/2020 at 6:41am
Originally posted by Mopar_guy Mopar_guy wrote:

Originally posted by RSX 401 RSX 401 wrote:

Ollie,

Not sure if you are aware, but there is a way you can check for a draw on the battery. With the Rambler turned OFF, disconnect the negative cable from the battery. Using a volt/ohm meter, check voltage between the battery post/anode and the battery clamp. With the battery disconnected you should not read any significant voltage. If you do, try pulling fuses until it goes away. This should help in tracing down what's causing the draw.

Good luck......

I usually use a plain old 12v test light. You can tell by how bright the bulb is lit shows how strong or weak the draw is. I try to rig it up so I can look out of the windshield after pulling a fuse if it's still on or not. Wink

Many THANKS to both of you !!!  Clap   You guys have added a bit more knowledge to my brain bank !! Approve Trust me..........plenty of room to work with.

I suspect that the problem is in the ignition switch, but we shall see as this project moves on. I know for sure that a bad battery has been eliminated. 

Having AMC Fun,
Ollie
1966 American Convertible -- "The Rambler"..SOLD
1974 Postal Jeep -- "Rapid Delivery"...SOLD
1969 Rambler 220 post car--"Road Warrior"
1989 Jeep Comanche Pioneer, 4.0L, auto, 2wd
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232jav3sp View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 232jav3sp Quote  Post ReplyReply Direct Link To This Post Posted: Apr/30/2020 at 11:23am
Better yet, connect your multimeter between the negative terminal and cable, and set it to read amps. From memory, you want under .030a (30 milli-amps). Lots of info on car sites and forums on desired amp draw. On these old cars it's not uncommon to see .010 because nothing is "kept alive", save for the clock or aftermarket radio. 

Just pull fuses, or disconnect items until the amp draw drops either an acceptable number, or 0amp.


Edited by 232jav3sp - Apr/30/2020 at 11:25am
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Ollie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ollie Quote  Post ReplyReply Direct Link To This Post Posted: May/05/2020 at 9:57am
Time for a update.

Armed with all my new knowledge, thanks guys, I jumped on The Rambler. 

I touched and traced down every wire in the vehicle. Found nothing. The only draw I found was the aftermarket radio as Patrick said. 

I put a full charge on the battery and took it to my buddy Pete and he put the battery tester on it. Checked great. 

Recharged the battery, installed and went for a 20 mile ride so I know it was fully charged.

Three days later, this morning, it cranked right up. Put the battery charger on it and it went straight to green.

Don't know what my issue was ........ there is nothing wrong with The Rambler. It was probably "the nut behind the wheel" that was a bit loose.

Having AMC Fun,
Ollie
1966 American Convertible -- "The Rambler"..SOLD
1974 Postal Jeep -- "Rapid Delivery"...SOLD
1969 Rambler 220 post car--"Road Warrior"
1989 Jeep Comanche Pioneer, 4.0L, auto, 2wd
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