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Old 10-13-2014, 09:52 AM   #1
gumby1976
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Member#: 26248
Join Date: Oct 2002
Chapter/Region: NESIC
Location: Earth, I think.
Vehicle:
2013 Crosstrek
Ice Silver

Default 2012 Imp hatch, top brake light was on with the car off.

I noticed on my way out this morning that the third brake light (top one) on my wifes Impreza was on. The car had been off for hours and the other two brake lights were off. It was bright as day, the car was locked and the battery was fine.
The brakes worked fine and we had the brake light switch replaces 3-4 months ago.
Any ideas?
Thanks in advance.
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Last edited by gumby1976; 10-13-2014 at 02:35 PM.
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Old 10-13-2014, 01:35 PM   #2
Cougar4
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2001 LL Bean Outback
Winestone

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I'm not sure how that could happen unless the brake switch is bad again, the pedal isn't adjusted correctly, and the other the other two lights are burned out. Check the operation of the brake lights while someone can watch them as you apply the brakes. The operation of the brakes won't be effected by the brake switch but it may send a signal to the ECU when the pedal is depressed.
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Old 10-14-2014, 12:41 PM   #3
gumby1976
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Ice Silver

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Well the other 2 brake lights were out and it looks like we'll be heading to the dealer at some point to get the switch replaced again.
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Old 10-15-2014, 12:35 AM   #4
Cougar4
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Winestone

Default

It seems kind of strange that the lights burnt out in a couple of years. If the headlights have been having trouble also check the output voltage of the alternator and make sure it isn't showing more than 14.8 vols DC and the AC ripple voltage is less than .1 volt.

Last edited by Cougar4; 10-15-2014 at 01:20 AM.
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Old 10-15-2014, 10:59 AM   #5
gumby1976
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Join Date: Oct 2002
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2013 Crosstrek
Ice Silver

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She's gone through a few sets of headlight bulbs and this was the second set of tail lights I've replaced.
The car also has about 54k miles.
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Old 10-15-2014, 12:26 PM   #6
Cougar4
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Winestone

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In that case I suggest you have the charging system checked for proper DC and AC voltages.
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Old 10-21-2014, 03:33 AM   #7
Obsidian2007sube
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Ice Silver Metallic

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Possible wiring issue , if its on bright when other brake lights are off. Is it bright like brakes are activated? Or are they just LED Bright?
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