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Re: dim headlights
#90838 Sat Jul 10 2004 06:46 AM
Joined: Feb 2004
Posts: 22,595
H
'Bolter
Just to be sure you're not overlooking something simple, try putting power and ground directly to the headlights with temporary wiring, and see if there's a difference in brightness. If so, there's still a gremlin in there somewhere you haven't found. It could be high-resistance contacts in the light switch! Doing a voltage drop check all the way through the system will isolate the problem, though.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: dim headlights
#90839 Sat Jul 10 2004 03:37 PM
Joined: Jan 2000
Posts: 1,609
T
Extreme Gabster
Ok, not for nothing, is the battery fully charged? Does the alternator put out around 14.5 volts with the engine running and lights on? Seems you have checked everything,are the headlight bulbs possibly defective?
If you're getting enough resistence to make the bulbs dim,a terminal or switch must be getting warm or even hot,use you hand to feel around.

Re: dim headlights
#90840 Sun Jul 11 2004 05:37 AM
Joined: Dec 2003
Posts: 3,969
S
'Bolter
Battery is fully charged and am getting about 14.5 volts. I had considered the sealed beams being weak but have not checked them. It would seem strange having both weak I thought. I will now try to run wires right from the battery to the lights and will let all know. Thanks again.


"Sedgewick"
1949 Chevy 1/2-Ton
1989 Caprice

Re: dim headlights
#90841 Sun Jul 11 2004 05:33 PM
Joined: Feb 2004
Posts: 22,595
H
'Bolter
If the reflective surface of the sealed beam lights deteriorates, most of the light is lost out the back of the bulbs. I've seen this happen several times. Foe some reason, moisture can penetrate the lights, and cause the silvery coating of the reflector to degrade. Just for a check, try a new sealed beam, and see what happens.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: dim headlights
#90842 Sun Jul 11 2004 05:37 PM
Joined: Aug 2000
Posts: 1,433
D
'Bolter
I run the halogen sealed beams and that makes a big difference in brightness. We are talking about brightness and not headlight alignment, right? The reason I ask is earlier you said the high beam is like what the low beam should be.


40 Chevy 1/2 ton
Re: dim headlights
#90843 Tue Jul 13 2004 06:26 AM
Joined: Dec 2003
Posts: 3,969
S
'Bolter
For Dennis M, no it is not an alignment problem but good call. I meant that the high beam brightness seemed the equivalent of a regular low beam. Also I do not think the bulbs are shot as the output bright-wise is the same. Anyway folks I am still trying and will let you know what happens. Many thanks again.


"Sedgewick"
1949 Chevy 1/2-Ton
1989 Caprice

Re: dim headlights
#90844 Fri Jul 16 2004 02:47 AM
Joined: Dec 2003
Posts: 3,969
S
'Bolter
Sorry folks. I'vefollowed all the great tips but the lights are still dim. Dunno! Thankfully I very seldom drive at night. Thanks again. If this gremlin does finally disappear I'll let you all know.


"Sedgewick"
1949 Chevy 1/2-Ton
1989 Caprice

Re: dim headlights
#90845 Fri Jul 16 2004 04:56 AM
Joined: Feb 2000
Posts: 919
B
'Bolter
oblu49 for the cost of one head light it might be worth just for the heck of it.


Brian Moore
1949 3100 5 window Deluxe
"Today is better than yesterday, but not as good as tomorrow"
Re: dim headlights
#90846 Sat Jul 17 2004 03:31 AM
Joined: Mar 2001
Posts: 317
G
Member
Don't know if this will help; it was made by a 'Bolter here (Chief).

AD lighting/ wiring diagram


*** GMC ***
Re: dim headlights
#90847 Thu Jul 22 2004 09:01 PM
Joined: Dec 2003
Posts: 3,969
S
'Bolter
I am on my way to buy a sealed beam. And I thank you for the beautifully done wiring scematic. Keep you posted.


"Sedgewick"
1949 Chevy 1/2-Ton
1989 Caprice

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