Results 1 to 9 of 9
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11 September 2015 #1
- Join Date
- 11 Sep 2015
- Location
- Lorain, Ohio
- Posts
- 8
- Saab(s)
- 2003 9-5 Aero
brake lights stay on
Hello Group,
I'm a new member/owner so forgive me if I don't follow etiquette. 2003 9-5 aero brake lights remain on when the car is running. I did the following things to try to narrow the problem.
removed brake light fuse.....no change.....returned fuse
removed rear running light fuse .....brake and headlights come on only when brake pedal is depressed
removed headlamp switch......no change....returned switch
removed and checked all rear lamp bulb filaments(did not check center light)........found differing # bulbs, one with only one filament
NOTE; the problem started after replacing left rear outside brake light bulb.
I left the rear running light fuse out so the brake lights work, but when the brake pedal is depressed the headlamps come on too.
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14 September 2015 #2
- Join Date
- 11 Sep 2015
- Location
- Lorain, Ohio
- Posts
- 8
- Saab(s)
- 2003 9-5 Aero
replaced all the rear bulbs.....no change, any help? ideas? thoughts? good mojo?
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14 September 2015 #3
- Join Date
- 11 Sep 2015
- Location
- Lorain, Ohio
- Posts
- 8
- Saab(s)
- 2003 9-5 Aero
I noticed that the wires are sooooo thin that I should trace the harness at every crux. Are the thin wires a Saab thing or a GM thing?
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14 September 2015 #4
Dave T. Super Moderator
- Join Date
- 03 Aug 2010
- Location
- near Seattle, Washington
- Posts
- 1,515
- Saab(s)
- 1999 9-3SE (2013-2015), 2005 9-3 (2005-2013), 1990 900 (1990-2003)
I know this is probably not related but around 1993, Saab had a recall for classic 900's where the brake lights stayed on after turning the car off. One could turn off the brake light by tapping on the brake pedal so it bounced back. The recall was to replace the spring with a weaker spring.
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14 September 2015 #5
- Join Date
- 11 Sep 2015
- Location
- Lorain, Ohio
- Posts
- 8
- Saab(s)
- 2003 9-5 Aero
Thanks Dave, the first think I checked was the brake light switch under the dashboard. I have eliminated that as the problem.
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14 September 2015 #6
Frank Administrator
- Join Date
- 30 Jul 2010
- Location
- USA - Netherlands
- Posts
- 7,901
- Saab(s)
- previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
Do you have a sedan or wagon? The sedan has a common problem with the trunk wiring.
http://saabworld.net/f29/sedan-boot-...aab-9-5-a-164/
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14 September 2015 #7
- Join Date
- 11 Sep 2015
- Location
- Lorain, Ohio
- Posts
- 8
- Saab(s)
- 2003 9-5 Aero
Wulf, thank you for the fantastic response. That is what I was going to check when my son gets home. You know what they say, great minds think alike
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15 September 2015 #8
- Join Date
- 11 Sep 2015
- Location
- Lorain, Ohio
- Posts
- 8
- Saab(s)
- 2003 9-5 Aero
Problem fixed, it was the wiring harness in the trunk exactly as pictured in the link posted above by Wulf. 40 minutes with the soldering iron and she's better than new. Thank you for the help.
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15 September 2015 #9
Frank Administrator
- Join Date
- 30 Jul 2010
- Location
- USA - Netherlands
- Posts
- 7,901
- Saab(s)
- previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
Awesome, glad to hear you were able to fix it yourself.