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04-25-2013, 09:16 PM

macdoesit

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Join Date: Apr 2013

Location: Oklahoma

Posts: 36

New member needs help

1990 mercedes SL500 - convertible, battery went bad today new battery now soon as it starts it dies only way to keep running is to pump accelerator and then it is very,very rough running unless you keep it at 3000 rpm and above then smooth running.
Thank you for all help.

Last edited by macdoesit; 04-25-2013 at 09:48 PM.

04-26-2013, 12:38 AM

macdoesit

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Thread Starter

Join Date: Apr 2013

Location: Oklahoma

Posts: 36

Quote:

Originally Posted by ForcedInduction

First thing to try is disconnecting the battery again for 30 seconds.

Key was in ignition while battery was being changed does that matter?
Thank you.

04-26-2013, 06:23 AM

macdoesit

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Thread Starter

Join Date: Apr 2013

Location: Oklahoma

Posts: 36

Quote:

Originally Posted by ForcedInduction

Yes it does. The vehicle must be completely off and electronics powered down when the battery is disconnected.

What can I do to fix the problem ?
Thank you.

04-26-2013, 12:51 PM

macdoesit

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Thread Starter

Join Date: Apr 2013

Location: Oklahoma

Posts: 36

I dis connected battery ground ((left key out of ignition) let set a few minutes hooked battery back up and all is good.

ForcedInduction,
Want to thank you for the help.