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Low beam headlights do not work

Tiny
CERCOLANI
  • MEMBER
  • 2004 SAAB 9-3
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
The low beams on both sides don't work, only the high beam on the driver's side works.
Tuesday, June 9th, 2020 AT 10:04 PM

6 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
Hi,

I hate to ask, but are you sure they aren't burned out? Also, have you checked both fuses in the power distribution box under the hood?

If you haven't checked the fuses, I attached a pic below from the wiring schematic which indicates the two needing checked. Do this first and let me know what you find.

Joe
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Wednesday, June 10th, 2020 AT 6:51 AM
Tiny
CERCOLANI
  • MEMBER
  • 9 POSTS
Hi, yes I checked fuse 16 and 26 and they look okay.

All the box fuses/relays that are in the fuse area under the hood and I saw that the orange one (boxed shaped fuse/relay ) may be the problem.

How to I check them?

Thank you
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Wednesday, June 10th, 2020 AT 10:21 AM
Tiny
CERCOLANI
  • MEMBER
  • 9 POSTS
I'm sorry, I just saw my last message and it seemed unclear.

My question was, how do I check the box-shaped fuses/relays in the fuse box under the hood?

Thank you
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Wednesday, June 10th, 2020 AT 10:24 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
Hi,

No problem. I think you want to check the relay. The easiest thing to do is find another on in the box with the same part number and switch them. If there isn't one there, here is a link that explains how to do it:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Let me know what you find.

Joe
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Wednesday, June 10th, 2020 AT 8:52 PM
Tiny
CERCOLANI
  • MEMBER
  • 9 POSTS
Thank you Joe, is it possible to send me the relay identification diagram for a 2004 9-3 Saab?

I don't have the owner's manual and when I check online, I get the images for the layout of the relays, but not what specifically each relay is for.

Thank you again.
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Wednesday, June 10th, 2020 AT 9:06 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
I attached what I was able to find. Let me know if it helps. There are two relays indicated related to the headlamps, but they are extremely vague.

Also, can you let me know which model 9-3 this is? For example, is it the Aero or the Linear?

Let me know.
Joe
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Wednesday, June 10th, 2020 AT 9:39 PM

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