Question about 2003 Lincoln LS

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We just had a new battery put into our 2003 Elantra and now the cooling fan is running all the time, and also our a/c stopped working?

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Your question is listed as a 2003 Lincoln LS and a 2003 Elantra. If this is an Elantra, you would get more specific answers by relisting in the proper Brand.

I have no service info for the Elantra. But I imagine you messed up a relay. Their Brand may require that the A/C be shut off when changing a battery.

Relays work by connecting things in a sequence. The interesting thing is that the Negative charge is used to activate some relays just as the Positive charge is. By removing the Negative ground with the loss of the battery, different contacts may have been combined because things were not shut off.

About the only thing you might try is to shut off everything, disconnect the battery, reconnect, and try it.

Posted on Oct 18, 2013

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