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Join Date: Jun 2005
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brightness

hey,

i put in new bulbs into my 944 and i saw that the passenger side lamp was dimmer than the drivers side. I was wondering if it was a connection problem. If so, what parts would i need to clean to get to the bottom of the probleM? thanks

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Old 10-01-2005, 08:11 PM
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*bump
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Old 10-01-2005, 08:54 PM
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which lamp? the headlights? fogs? ...?
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Kyle

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Old 10-01-2005, 08:56 PM
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Aim them first. Then worry about how dim they seem.

Aaron
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Old 10-01-2005, 09:04 PM
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they're both the same height. i focused em on the garage (white) and can still see a difference int he lamps. They're the headlamps. the fogs are fine they're both the same brightness
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Old 10-01-2005, 09:13 PM
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are there any grounds i should clean? if so where are they?
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Old 10-01-2005, 11:06 PM
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Quote:
Originally posted by XxKHxX
are there any grounds i should clean? if so where are they?
Grounds are right near the headlamps on the frame members. Pretty easy to see of you look around in that area.
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Shifting is an art. Learn it, love it, live it.
---------
Silver 1998 Volvo S70 T5 <- Daily (Anja)
Guards Red 1986 951 <- Seattle car (Gretchen)
White 1976 914 2.0 F.I. <- Prodigal car, traded away then brought back again (Lorelei)
Old 10-02-2005, 10:20 AM
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i just went outside to check out the grounding wires. is it just a bolt screwed into the frame with 4+ copper wires attached to it? about 10 inches away from the headlamp assembly? thanks
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Old 10-02-2005, 11:27 AM
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Quote:
Originally posted by XxKHxX
i just went outside to check out the grounding wires. is it just a bolt screwed into the frame with 4+ copper wires attached to it? about 10 inches away from the headlamp assembly? thanks
Yup, that's it. Easy to see why it gets corroded often.
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Silver 1998 Volvo S70 T5 <- Daily (Anja)
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White 1976 914 2.0 F.I. <- Prodigal car, traded away then brought back again (Lorelei)
Old 10-02-2005, 12:05 PM
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yeah i checked it out and they're all brown and dirty. why does baking soda + water work? is there anything else i could use? and do i have to unbolt the bolt and clean it, or could i leave it attached? thanks
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Old 10-02-2005, 12:13 PM
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unbolt it....
you can use steel wool, or any other abrasive scrubber like sandpaper... and just scrub the corrosion off... i used steel wool on mine, shined it right up...
make sure you clean each contact, as well as around the bolt hole where they all connect.
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Old 10-02-2005, 12:27 PM
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any other connections i should watch out for?
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Old 10-02-2005, 01:35 PM
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clean anything you can... it's good practice...
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Old 10-02-2005, 01:37 PM
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could the ground wire from the battery affect the brightness of the headlamps?
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Old 10-02-2005, 08:37 PM
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probably not the one headlight, no.. if anything it would affect both.
but you may as well clean those grounds too... you're going to have to do it at one point..
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Old 10-02-2005, 09:47 PM
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anyone think there could be any other problems besides just grounds? it seems like an ez fix..
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Old 10-02-2005, 10:20 PM
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you're positive the bulbs are the same?
did you have this problem before you installed the new bulbs? are your high beams the same?
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Old 10-02-2005, 11:31 PM
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same bulbs same housings (hella h4's) passenger side is significantly dimmer. im guessings its the ground wires...can anyone explain why bad grounds affect the lights? Are there any other problems ic ould be overlooking? and high beams the passenger side is a little dimmer. not so much
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Old 10-03-2005, 01:22 PM
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your grounds are what complete the electric circuit.
if they're rusty or otherwise gunked up, they're not completing the circuit well enough..

have you cleaned them yet? did it help at all? have you tried switching the bulbs in the housings? as in, left to right and right to left.... see if it's still the passenger side that's dim..

and did you experience this problem before changing the bulbs?
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Old 10-03-2005, 04:25 PM
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Take the ground wires off, clean the coonnectors and the surface around the bolt holes real good, get em nice and shiny. Before u put them back on, get some electrical anti corrosive compound and wipe it on the connectors and bolt holes. It will definately be a big improvement and will keep them from corroding again

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Old 10-03-2005, 05:04 PM
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