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headlight problems!!!
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Topic: headlight problems!!! (Read 11713 times)
bigblue09
Registered Users
Posts: 198
headlight problems!!!
«
on:
December 27, 2008, 10:13:20 pm »
ok so for christmas i got a set of dimond cut headlights for my truck with the xenon bulbs and all. they are really good looking and really bright. we put them on on christmas day and that night the dimmer switch went out. i couldnt change it from low to high it wouldnt click. so i changed that out this morning and it all works good. then i drove it tonight and when i put my high beams on and about 15 seconds later the lights started cutting on and off like fast. they were flickering. all 4 of them were doing it. it will keep doing it when the highs are on. the lows work great. idk what it is or what to do about it.
please give any advice! thanks!
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'87 Silverado EFI 305
Captkaos
OWNER and Administrator
Administrator
Senior Member
Posts: 18460
Re: headlight problems!!!
«
Reply #1 on:
December 27, 2008, 10:17:30 pm »
Are you running relays to them?
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
bigblue09
Registered Users
Posts: 198
Re: headlight problems!!!
«
Reply #2 on:
December 27, 2008, 10:20:26 pm »
relays? there were little connectors for each headlight that came with the lights.
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'87 Silverado EFI 305
joesgarage71
Wrench
Senior Member
Posts: 1156
Re: headlight problems!!!
«
Reply #3 on:
December 28, 2008, 09:28:36 am »
Yea relays, check this out
http://www.rowand.net/Shop/Tech/WiringHeadlightRelays.htm
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78' K-20 355/SM465/twin stick 205 6" on 36's
14 bolt FF/big bearing Dana 44 4.56 gears
92' GMC C-1500 454/4L80E/14 bolt
bigblue09
Registered Users
Posts: 198
Re: headlight problems!!!
«
Reply #4 on:
December 28, 2008, 10:09:47 am »
ok thanks guys. that explains everything.
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'87 Silverado EFI 305
N2TRUX
Registered Users
Posts: 234
Re: headlight problems!!!
«
Reply #5 on:
December 28, 2008, 12:16:14 pm »
And that mod should make them even brighter....
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bigblue09
Registered Users
Posts: 198
Re: headlight problems!!!
«
Reply #6 on:
December 28, 2008, 09:19:25 pm »
good! but will the stock wiring hold up to the mods??
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'87 Silverado EFI 305
78 Chevyrado
Z62 ON-ROAD
Site Supporters
Senior Member
Posts: 2748
Re: headlight problems!!!
«
Reply #7 on:
December 28, 2008, 09:45:44 pm »
Shouldn't be a problem. In the stock configuration, all the power the lights get runs through the headlight switch and the dimmer switch (the bottleneck). With the relays the switch and dimmer will only have to give the signal for the relays to send direct battery power to the lights.
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Kenny
1978 C-20, 350/400, 3.73, Graystone Metallic, Raceline Renegade 8 Wheels - 18x8.5, 275/70R18 BFG KO's
bigblue09
Registered Users
Posts: 198
Re: headlight problems!!!
«
Reply #8 on:
December 28, 2008, 11:30:15 pm »
oh ok. that makes sense. thanks a lot guys.
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'87 Silverado EFI 305
bigblue09
Registered Users
Posts: 198
Re: headlight problems!!!
«
Reply #9 on:
December 29, 2008, 12:13:52 pm »
so i can really figure out exactly what relay i need. any help?
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'87 Silverado EFI 305
Captkaos
OWNER and Administrator
Administrator
Senior Member
Posts: 18460
Re: headlight problems!!!
«
Reply #10 on:
December 29, 2008, 06:00:21 pm »
Sorry for not answering. I have sparatic on the site since Mommy and Elizabeth is home.
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
eventhorizon66
Senior Member
Posts: 1909
Re: headlight problems!!!
«
Reply #11 on:
December 29, 2008, 06:31:54 pm »
Quote from: bigblue09 on December 29, 2008, 12:13:52 pm
so i can really figure out exactly what relay i need. any help?
Any 30A Bosch-style relay ought to do it. Like the article says just ignore the "normally closed" contact (the one in the center) if you end up with a SPDT relay like these. A SPST relay would not have the center contact.
BTW here's a 73-87 specific
headlight relay article
.
«
Last Edit: December 29, 2008, 06:41:53 pm by eventhorizon66
»
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'85 C10 SWB 350
700R4
TKO600
bigblue09
Registered Users
Posts: 198
Re: headlight problems!!!
«
Reply #12 on:
December 29, 2008, 09:55:38 pm »
ok. thanks. thats exactly what i bought but its 4 prong.
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'87 Silverado EFI 305
N2TRUX
Registered Users
Posts: 234
Re: headlight problems!!!
«
Reply #13 on:
December 29, 2008, 10:18:24 pm »
Be sure to take some pics of before and after for future reference.
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bigblue09
Registered Users
Posts: 198
Re: headlight problems!!!
«
Reply #14 on:
January 03, 2009, 12:12:45 pm »
well i finally got it all wired up and everything works great now. thanks for all the help!
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'87 Silverado EFI 305
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headlight problems!!!