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Relay boxes / head light trouble

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Old Mar 12, 2007 | 06:39 PM
  #1  
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Question Relay boxes / head light trouble

Does anybody know which relay is which? I am having strange things happining to my lights. I turn my head lights on and my parking lights stays on eventhough I turn my lights off. Then I pull the battery cables off and it goes off but if I turn the head lights back on same thing happens again. Thank you in advance
 
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Old Mar 13, 2007 | 03:19 PM
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Here's a bump for ya. What year truck we talking about? HAve you make any recent additions or changes, especially to the wiring?
Someone that had the same symptoms will see this and help.
Clean and tight grounds is the first place to start.
 
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Old Mar 13, 2007 | 05:55 PM
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My truck is 1996 2wd and I haven't made any additions or anything only thing i have done is get the trany rebuilt I hope it is a relay sticking. I couldn't find a digaram for the relay boxes to figure it out if it is a relay. Thank you for your reply.
 
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Old Mar 13, 2007 | 07:05 PM
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Mine is not marked either. I just had to take a new relay and keep interchanging it until I found the right one. Could the trouble be in the light switch?
 
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Old Mar 13, 2007 | 09:55 PM
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I replaced the light swich yesterday thinking it wast but it still keep doing it. Are all the relays same. Thank you.
 
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Old Mar 14, 2007 | 05:20 AM
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Mine is an E series. The box is under the hood, and they were all the same. Don't know for sure about an F series.
 
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Old Mar 14, 2007 | 07:22 AM
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just start pulling relays until your headlight goes out, then swap it with a known good one in your box
 
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