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#936722 04/18/2013 7:02 PM
Joined: Oct 2011
Posts: 118
6
Wrench Fetcher
Wrench Fetcher
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Joined: Oct 2011
Posts: 118
what makes the right side of my headlight and parking light brighter than left side, bad ground?

696969 #936724 04/18/2013 7:07 PM
Joined: May 2001
Posts: 7,438
Extreme Gabster
Extreme Gabster
Joined: May 2001
Posts: 7,438
Probably.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
696969 #936826 04/19/2013 8:36 AM
Joined: Aug 2005
Posts: 6,377
T
Ex Hall Monitor
Ex Hall Monitor
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Posts: 6,377
You don't say what year vehicle. If it's old enough to have separate bulbs in a reflector it could be tarnish on the reflector on one side. I have that issue with my '38 to a minor extent. In my case it isn't bad enough to require re-silvering.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
696969 #936883 04/19/2013 2:01 PM
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B
Sir Searchalot
Sir Searchalot
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As said , need to know year??? If it is two separate lights (headlight and parking) then they have separate bulbs, probably separate wiring and ground. Their common connection would be the switch possibly. Or any terminal block they both share. If both have a wire from the bulb housing to the same ground, then that is probably the problem. If they have different ground spots, probably not ground problem. At any rate, play around with the ground while lights are on, try to establish another ground with a test wire. Check switch connection. Check any other common connections. A dim light does usually mean ground, you are correct.


Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
696969 #936903 04/19/2013 3:20 PM
Joined: Oct 2011
Posts: 118
6
Wrench Fetcher
Wrench Fetcher
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Posts: 118
it is a 48 gmc 1/2 ton...all new wiring, lights new, everything electrical is new, back to drawing board, thanks guys...

696969 #936920 04/19/2013 4:59 PM
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Ex Hall Monitor
Ex Hall Monitor
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Posts: 6,377
Turn your lights on with the bulbs disconnected. Use your multi-meter to determine the voltage at each socket. If they don't match side to side you have some searching to do.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
696969 #937008 04/19/2013 11:10 PM
Joined: May 2001
Posts: 7,438
Extreme Gabster
Extreme Gabster
Joined: May 2001
Posts: 7,438
It may be the old rusty inner fender bolts aren't making a good ground. Sounds illogical but it wouldn't hurt to run a jumper cable from the fender to the frame and see if it affects the lights.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
696969 #937087 04/20/2013 9:33 AM
Joined: Dec 2003
Posts: 1,144
K
'Bolter
'Bolter
K Offline
Joined: Dec 2003
Posts: 1,144
With the 48 1 ton I had years ago it was a bad groun on dim side. New ground wire and it brightened right up.

696969 #937106 04/20/2013 10:54 AM
Joined: Oct 2011
Posts: 118
6
Wrench Fetcher
Wrench Fetcher
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Posts: 118
hi guys, found problem, couple things, first, ground wire came unhook, second, had couple wires in wrong spots, everything working great...thanks guys

696969 #939463 04/29/2013 9:15 AM
Joined: May 2001
Posts: 477
K
Shop Shark
Shop Shark
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Posts: 477
yeah, when you turn on the lights and the toilet flushes inside the house, there's a problem.......

glad you got it sorted out.

696969 #939550 04/29/2013 4:17 PM
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Posts: 6,377
T
Ex Hall Monitor
Ex Hall Monitor
T Offline
Joined: Aug 2005
Posts: 6,377
Originally Posted by 696969
.....second, had couple wires in wrong spots......
Been there, done that. At least you didn't let the smoke out.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.

Moderated by  Jon G, Rusty Rod 

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