 Headlights |
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| mrholland2 |
 May 20 2012, 11:58 PM
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#1
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Senior Member  Group: Members Posts: 750 Joined: 7-September 11 From: Santa Maria,CA Member No.: 13,531 Region Association: Central California  |
HI all,
So, both headlights work on low beam, drivers doesn't on high beam. Sometimes the passenger is sluggish to come on on high beam. What things do I check in what order? Thanks Sean |
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Replies(1 - 6)
| pcar916 |
May 21 2012, 07:53 AM
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#2
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None 
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1st. Do you know for sure that both bulbs are good on the bright circuit?
2nd. Unless you've done it already, go through all of your connections from the fuse box to the lights and clean any corrosion. Without clean connectors you're fighting an assumption. 3. Next look into the relay and make sure it's working. Not much more to check Good luck! |
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| mrholland2 |
May 21 2012, 08:35 AM
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#3
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Senior Member Group: Members Posts: 750 Joined: 7-September 11 From: Santa Maria,CA Member No.: 13,531 Region Association: Central California |
QUOTE(pcar916 @ May 21 2012, 06:53 AM)  1st. Do you know for sure that both bulbs are good on the bright circuit? 2nd. Unless you've done it already, go through all of your connections from the fuse box to the lights and clean any corrosion. Without clean connectors you're fighting an assumption. 3. Next look into the relay and make sure it's working. Not much more to check Good luck! 1. New bulbs functioning just like the old bulbs 2. Other than the plugs onto the lights, where are these connections? I"ll refer to the shop manual for which fuses to look at. 3. I have yet to find any relays, where should I be looking? Thanks |
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| Dave_Darling |
May 21 2012, 08:40 AM
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#4
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914 Idiot Group: Members Posts: 14,986 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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The stock high/low relay is on top of the fuse panel.
Any time lights are "sluggish", I suspect the grounds. I had one bad headlight ground, so the light that used it grounded through the other light. The light on the bad ground took a moment longer to come on than the one on the good ground, and was dimmer. --DD |
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| mrholland2 |
May 21 2012, 09:19 AM
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#5
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Senior Member Group: Members Posts: 750 Joined: 7-September 11 From: Santa Maria,CA Member No.: 13,531 Region Association: Central California |
QUOTE(Dave_Darling @ May 21 2012, 07:40 AM) The stock high/low relay is on top of the fuse panel. Any time lights are "sluggish", I suspect the grounds. I had one bad headlight ground, so the light that used it grounded through the other light. The light on the bad ground took a moment longer to come on than the one on the good ground, and was dimmer. --DD The low beams work perfectly, it is the switch from low to high that is sluggish on the passenger side and goes out completely on the driver's side. Sorry I was unclear. |
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| 76-914 |
May 21 2012, 10:38 AM
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#6
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,503 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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If one hi beam is working, I would believe the relay is good. Check fuse 1 & 2 conductivity. Then check the jumper from 1-2. Check ground junction behind drivers side headlamp. (IMG:style_emoticons/default/beerchug.gif)
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| VaccaRabite |
May 21 2012, 07:39 PM
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#7
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En Garde! Group: Admin Posts: 13,444 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
Each light has its own fuse, high beam and low beam. Fuses 1-4 IIRC... Check there to start, and then relays.
Zach |
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