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Headlight Relays: For Dummies

Old 11-09-2007, 07:19 PM
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Headlight Relays: For Dummies

So I don't like messing with actual relay wiring diagrams. I like things to be simple. I'm sure there are people out there that don't understand how to wire a relay by looking at wiring diagrams, so I made this. I figured I would post it for anyone else's use. Hope it helps someone. I wired mine using this diagram I drew earlier tonight and it works fine.




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Old 11-09-2007, 09:01 PM
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Why are you 'keeping' the old plugs...atleast showing them in the diagram?
Old 11-09-2007, 10:10 PM
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You have to get power to trip the relay coils from them.
Old 11-09-2007, 10:20 PM
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Great basic wiring diagram!!!
Old 11-10-2007, 12:19 AM
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You defiantly want to replace the stock headlamp sockets because the:

High beam wire is 14 gauge
Low beam wire is 16 gauge
Ground wire is 20 gauge.

Whatever circuit you use design it around a good set from Cole Hersee or Napa and not the cheap ones like at Auto Zone. (Motor-Mite)
Jim
Old 11-10-2007, 04:26 PM
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well i did mine just tapping into the exsisting harness at the place where the rest of the truck relays are, so if i change the pigtails and run like 12 or 10 gauge to it from the relays, i will get better light?
Old 11-10-2007, 07:52 PM
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Possibly. You just dont want to be pulling that much power through a small wire. Doing so can cause the wire to melt/Catch fire/make your CTD go bye byes.
Old 11-11-2007, 12:40 AM
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Nice drawing Dean! maybe Wanna can add it to the thread in teh stickey...
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