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excursion headlight harness

  #1  
Old 03-24-2011, 08:00 PM
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Default excursion headlight harness

I'm looking at getting a heavy headlight harness from lmc truck,but unsure if it will work on my 00 excursion. Lmc truck does not list it for the excursion but they do list it for the superduty. The harness has a relay for high and low beam and gets power from the battery instead of the headlight switch. the switch would then only turn the lights on and off. Has anyone installed this on their X or can anyone give any insight ? Lmc truck does not know if there is a difference between the X and superduty lighting systems. THANKS
 
  #2  
Old 03-25-2011, 02:32 PM
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Many ford vehicles use separate relays for the headlights. Why are you changing the original wiring?
 
  #3  
Old 03-25-2011, 04:26 PM
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I'm not changing the original wiring. this harness plugs into the connector that you normally plugs into your headlight bulbs and power comes directly off the battery into relay's and plugs on the other end go to the bulbs. If you install a higher wattage bulb like euro's they will use more power, the power from the factory comes from the headlight switch. You run the risk of melting the wire.
 
  #4  
Old 03-25-2011, 06:32 PM
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Do you have any specs as to how much each of those lamps might draw?
Need specs for Hi beam and Low beam each, because there is a time when both can be on at the same time.
I don't know if you were aware of this.
In either case , from what you describe it should work OK. I hope the hot supply from the battery to the relays will have a protective fuse in there.
 

Last edited by hanky; 03-25-2011 at 07:02 PM. Reason: addl
  #5  
Old 04-02-2011, 10:44 AM
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80/100 watt new bulbs piaa ,the bulbs i have now are 55/65 watt
 
  #6  
Old 04-03-2011, 04:49 AM
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From what I can see you should have no problem adding the addl wiring since the power requirement would be handled with 14 gauge wire to each side. I would definitely consider using a 10 gauge wire with fuse protection to supply the relay which in turn will supply each headlight. The additional load from the higher output lamps will all be handled by the new harness they supply. Do you have any info as to what size wire the new harness uses to supply the power to the relay? Otherwise , go for it!
 
  #7  
Old 04-04-2011, 08:31 PM
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No i have know input on the new harness. Lmc truck cannot tell me anything about it , they are just a middle man more less and they have no tech line. thanks for your help.
 
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