2003 300M flickering headlights, dash lights and radio cutting out.

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Apr 29, 2013 | 12:10 PM

#11

mapdude

Junior Member

Joined: Apr 2013

Posts: 5

Looked at the videos

The last one is exactly what mine was doing. At one point the flashing got so bad it blew out my lowbeam headlamps.

Replaced the negative battery cable and no problems since (knock on wood...)

Apr 29, 2013 | 12:13 PM

#12

mapdude

Junior Member

Joined: Apr 2013

Posts: 5

Quote:

Originally Posted by mr_twe

Did you have a dealership do it, or another shop? Any way to communicate this with a service tech with hard proof, a link, a page, something? Thanks.

Finally took it to the dealer. He said something about a TSB from several years ago.

May 2, 2013 | 10:11 AM

#13

mr_twe

Thread Starter

Junior Member

Joined: Mar 2013

Posts: 9

From: Oklahoma

The verdict is in. The ground wire from the battery was replaced, along with the headlight switch and thus far the light show has not returned.

May 23, 2013 | 11:20 PM

#14

adu1982

Junior Member

Joined: Jul 2011

Posts: 6

Had the same problem for about a year and a half on myvold 98 Concorde lxi....went to dealer, mechanic, no fix.... told I thought one of the positive battery cable was getting to hot but they said it was normal. It got really really bad and I just replaced it myself. Worked for the next 3-4 years till last year when it got totaled at 191k miles.