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Old 01-14-2012, 11:24 AM   #26
Bluefoton
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Did you measure the voltage after? Also, you wouldn't happen to have taken pics of the connector? If you had this issue, others might too. Good detective skills btw
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Old 01-14-2012, 07:39 PM   #27
tricktraxxas3
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Sorry...no pics, but hopefully if someone else has a problem they'll find this thread or pm me!
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Old 01-27-2012, 02:55 PM   #28
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Great convo, very helpful. Yesterday morning my high beams would only turn on with very dim lighting. Installed new bulbs. Nothing...I went through several grounds..... Cleaned and lightly sanded the connecting points to chassis. After reading the rest of your posts decided that because I have added protection not to lift off fuse panel. Afraid of being stranded in garage at work. I closed the hood with no success discouraged and ready to make an appointment. Half an hour through my drive home I decided I would give them another try..... And on they came! We will see how long it lasts. 5 k before I'm at 60k and warranty is over. Great walk through thnks!!
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Old 01-27-2012, 03:44 PM   #29
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I'm glad it helped.
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Old 02-13-2012, 09:30 PM   #30
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Make that two 08 wrx, high beam issues due to faulty wiring under fuse box
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Old 02-13-2012, 10:47 PM   #31
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This may become a common issue with other owners.
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Old 08-08-2012, 08:57 AM   #32
a32guy
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Another 08 here, and my high beams are super dim. I will check this when I get home and report back. Thanks!
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Old 08-14-2012, 09:43 PM   #33
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Another one here... At first I thought it was because the car was lowered and took the lights out of their working range. I will have to check the fuse box. Which one are we talking about? Under the dash or under the hood.

Last edited by CZielinski; 08-14-2012 at 09:54 PM.
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Old 08-15-2012, 03:12 AM   #34
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I think it is the panel under the hood.
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Old 08-26-2012, 06:21 PM   #35
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Same problem on my 08, messed with it for a bit and was able to trace it to the fuse box under the hood, all the relays were in working order so lifted out the fuse tray by the clips that hold it in, underneath that i found 2 tan jump pin connections, each with 2 harnesses. For mine, it appeared to be the smaller tan jump connection as there was green corrosion all over it. i unsnapped the harnesses to find like was mentioned, one of the pins completely corroded and stuck in the female end of the connector, and that's where I'm lost... i am not that skilled at soldering and dont currently have the tools to to even remove the female pin from the harness.
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Old 08-26-2012, 07:36 PM   #36
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Soldering isn't hard to do as long as the connections are clean and you have the proper tools. Perhaps you know someone that could help you with this. If you had to use a shop to fix this for you it shouldn't cost you very much to have them fix it for you.
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Old 08-26-2012, 07:44 PM   #37
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Update: i just decided to bypass the pins and solder the 2 wires together, maybe not the best idea but it worked. Pretty sure it was the blue wire with yellow pinstripe in each harness but test it first to make sure. i took pictures of everything but i dont know how to post them... if someone else can post pictures on the thread for everyone else lmk so i can email them to you.
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Old 09-01-2012, 12:24 PM   #38
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Quote:
Originally Posted by gmkx60 View Post
Update: i just decided to bypass the pins and solder the 2 wires together, maybe not the best idea but it worked. Pretty sure it was the blue wire with yellow pinstripe in each harness but test it first to make sure. i took pictures of everything but i dont know how to post them... if someone else can post pictures on the thread for everyone else lmk so i can email them to you.
I think I found my problem:
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Old 09-01-2012, 02:10 PM   #39
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Like the old saying goes, "Houston, we have a problem".

I would have to agree with you that indeed you found the trouble.
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Old 09-01-2012, 02:59 PM   #40
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Quote:
Originally Posted by a32guy

I think I found my problem:
Now there's your problem.
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Old 09-01-2012, 11:28 PM   #41
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Cleaned everything up, soldiered the two broken wires to their mates on the other connector and I now have working high beams. Weee! Thanks tricktraxxas!
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Old 09-02-2012, 12:20 AM   #42
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I'm glad the thread helped and that you were able to find the problem.
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Old 09-02-2012, 04:26 PM   #43
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Just finished fixing mine. I tried to clean up the pins and the connectors first because my wires were not broken, yet. The more I handled them the more loose the Blue an yellow striped wire became. It finally just snapped out of the harness. I had no choice but to solder them together. As the pic shows there are two connectors in the tan jumper housing. All you have to do is solder the matching wires from each connector together and your problems will be solved. Thanks for all the help gmkx60, tricktraxxas3 and a32guy for the forum pics.
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Old 10-08-2012, 01:54 PM   #44
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I am having the same problem with the dim high beams
I am also having an issue with my 'Outside Temp' reading. its reads roughly *10C lower than the actual temp.

I removed the fuse panels to uncover the two tan connectors.
Taking the pic above, my connections in that harness looked to be good. I will have to check again
When I looked at the other connector I noticed 1 white wire has been corroded right out,
I sprayed some Elec. cleaner and added some dielectric grease
Im wondering if this is the temp sensor? Anyone with the schematics?

Other than the dim highbeams and temp reading I have no other elec. issues that I am aware of.

I will try to get a pic to help clear things up.

Also seems as if this is an 08 only issue..My father has an 09 Impreza, I may look at his connectors to see what Subaru changed, if anything , to help solve this
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Old 10-08-2012, 03:53 PM   #45
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You might need to also fix the damage from the corrosion by splicing in some new wire. Just cleaning the connection might not be enough to fix the low voltage problem. Checking the voltage on the wire after the bad connection while the lights are on will tell the story about that.
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Old 10-08-2012, 04:50 PM   #46
dollashred
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Will have to bring home the multimeter and get some readings and try to trace this down.
Heres a couple pics of my 2 connectors under the fuse panels.
The 2nd pic shows the bigger connector with the white wire corroded off. Looks like it goes to the upper right on the bottom grey connector. Looking through the service manual trying to figure out what that wire does (thinking it has to do with the ambient temp sensor).


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Old 02-10-2013, 02:39 PM   #47
drummerboy827
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I have a 2009, and have the same problem - no high beams, weird temp sensor readings.

Traced it to the small tan connector completely corroded. Blue/yellow wire snapped off when i touched it.
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Old 02-11-2013, 09:29 PM   #48
tricktraxxas3
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The problem is, we can't just replace the plug. You'd have to but a whole harness which is $$$$.
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Old 02-11-2013, 11:50 PM   #49
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Just had this same problem on my '08 (which led me to this thread)

Taking out the fuse box and checking those tan connectors and it's the exact same issue as most of the others on this thread:



Same as previous poster, the blue/yellow had corroded completely off at the terminal. Checking the wiring docs, the blue/yellow is the relay control wire for the high beams. Cleaned the rest, connected the B/Y wire straight through to the other side (I'm not even sure the point of the tan connectors since the circuits just pass through) and gave the connector a good shot of some dielectric grease and highs were back up and running.

I think we're going to start seeing a lot more of these popping up as the 08/09's get a few years behind them. It doesn't seem to be an exposure issue. There is an opening in the fuse box below there, but I don't think any water can really get in there. What would cause this level of corrosion?

-SJ
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Old 02-12-2013, 04:01 PM   #50
tricktraxxas3
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Possibly just the salt spray that gets under the hood from the scoop, grill, etc.
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