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09-24-2020, 11:20 PM
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#1 |
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Registered User
Join Date: May 2011
Location: Texas
Posts: 984
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New headlights not working
Ordered a set of new led headlights from eBay but I can't get them to work properly, I ran a hot wire from the extra red wire to the + on the battery still nothing. I was told to do this by a local shade tree mechanic I don't know much about wiring.
As always all advice is greatly appreciated! Thanks in advance. '85 c10
__________________
Rest In Peace:Mikhail {Mickey Rooney} Alpha 2/5/13 Omega 7/22/14 10:28AM I love you tremendously and outragiously Superpuppi Thai Ridgeback...The most intelligent dog known to me. Don't mess with my truck, my momma or my money...not necessarily in that order. ©Stand for something or fall for anything. [LIST][*]'98 Bourbon St. Brawl ©2010
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09-24-2020, 11:31 PM
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#2 |
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Post Whore
  
Join Date: May 2015
Location: Alabama
Posts: 14,674
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Re: New headlights not working
LEDs are polarity specific...ground has to be ground, and hot has to be hot...cant tell much from your pic.
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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09-25-2020, 06:26 AM
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#3 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,629
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Re: New headlights not working
Even if the old incandescent bulbs worked fine, if you are reusing the original headlight plugs, possible that corrosion is preventing a good connection. It doesn't take much size difference to cause problems between old sockets and new inserts.
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09-25-2020, 06:56 AM
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#4 |
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State of Confusion!
 
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,269
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Re: New headlights not working
You may need relays to get the bulbs to have sufficent voltage.
__________________
Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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09-25-2020, 07:14 PM
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#5 |
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Registered User
Join Date: Jul 2011
Location: SW Ontario
Posts: 1,214
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Re: New headlights not working
You'll probably need to repin your connector. LEDs often are wired to H4 pattern, just gotta swap two wires around in the connector.
Alex. |
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09-26-2020, 12:21 PM
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#6 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: New headlights not working
like posted above in the pic .
lots of these cheep ebay / amazon - china crap pattern led swap bulbs have the wiring problem . my good ones do NOT they were plug and play no problems . white light / great pattern / no one flashing me from being blinded . yes there big bucks but super quality . j.w. speaker units.
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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09-26-2020, 08:52 PM
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#7 | |
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Registered User
Join Date: May 2011
Location: Texas
Posts: 984
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Re: New headlights not working
Quote:
__________________
Rest In Peace:Mikhail {Mickey Rooney} Alpha 2/5/13 Omega 7/22/14 10:28AM I love you tremendously and outragiously Superpuppi Thai Ridgeback...The most intelligent dog known to me. Don't mess with my truck, my momma or my money...not necessarily in that order. ©Stand for something or fall for anything. [LIST][*]'98 Bourbon St. Brawl ©2010
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09-26-2020, 08:55 PM
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#8 | |
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Registered User
Join Date: May 2011
Location: Texas
Posts: 984
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Re: New headlights not working
Quote:
__________________
Rest In Peace:Mikhail {Mickey Rooney} Alpha 2/5/13 Omega 7/22/14 10:28AM I love you tremendously and outragiously Superpuppi Thai Ridgeback...The most intelligent dog known to me. Don't mess with my truck, my momma or my money...not necessarily in that order. ©Stand for something or fall for anything. [LIST][*]'98 Bourbon St. Brawl ©2010
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09-27-2020, 08:39 AM
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#9 |
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Registered User
Join Date: Jul 2011
Location: SW Ontario
Posts: 1,214
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Re: New headlights not working
I wouldn't say its always cheap lights either, lazy/minimizing minor stock changes for what is essentially an unnecessary part number since h4 & 45xx use the same connector, on the lazy side, they should be throwing in a sheet with the above that says if you are using them in a 45xx system repinning will be necessary (h4 being by far the most common, especially from an asian/euro perspective).
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