wiring negatively switched wiring harness ??
#1
I wish I was as fine, as those who work the pipeline!
Thread Starter
wiring negatively switched wiring harness ??
Not sure how to wire my harness. My lighting system is negatively switched.
This is for the truck in my sig.
I have the following:
Dual sport headlamps, 2 - 9007 , 2 - 9004.
three relays - 9007 low beams, 9007 high beams, 9004 high beams.
pin 30 power from battery, pin 85 ground, pin 86 activates from headlamp socket, pin 87 power to appropriate headlamp (9007 L/9007 H/9004 H).
I am fairly certain that this set up ^^^^^ will not work with a negatively switched system, but I have no idea.
Existing headlamp socket has constant 12 volts on common terminal.
On low beam, low beam terminal has 12 volts, high beam terminal has millivolt 'bleed through' to turn off high beam indicator.
On High beam, High beam terminal has 12 volts, low beam terminal has millivolt 'bleed through' to turn on high beam indicator.
All the wiring diagrams I have found, here and on the net, are for a positively switched system.
Anybody have a wiring diagram, or description, of how to wire this type of system??
This is for the truck in my sig.
I have the following:
Dual sport headlamps, 2 - 9007 , 2 - 9004.
three relays - 9007 low beams, 9007 high beams, 9004 high beams.
pin 30 power from battery, pin 85 ground, pin 86 activates from headlamp socket, pin 87 power to appropriate headlamp (9007 L/9007 H/9004 H).
I am fairly certain that this set up ^^^^^ will not work with a negatively switched system, but I have no idea.
Existing headlamp socket has constant 12 volts on common terminal.
On low beam, low beam terminal has 12 volts, high beam terminal has millivolt 'bleed through' to turn off high beam indicator.
On High beam, High beam terminal has 12 volts, low beam terminal has millivolt 'bleed through' to turn on high beam indicator.
All the wiring diagrams I have found, here and on the net, are for a positively switched system.
Anybody have a wiring diagram, or description, of how to wire this type of system??
#2
I wish I was as fine, as those who work the pipeline!
Thread Starter
Found s diagram. If any of you decide to add a wiring harness and have constant voltage through your common wire in your existing headlamp socket, use this diagram.
I just finished mine and everything works.
I am not sure why, but if any of you electrical geniuses would like to explain it, please chime in. I would like to know how it works.
Here is a link to the diagram.
http://www.4crawler.com/4x4/CheapTri...lightSG-SP.gif
I just finished mine and everything works.
I am not sure why, but if any of you electrical geniuses would like to explain it, please chime in. I would like to know how it works.
Here is a link to the diagram.
http://www.4crawler.com/4x4/CheapTri...lightSG-SP.gif
Last edited by wyododge; 01-13-2009 at 02:22 AM. Reason: left out word
#4
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sounds if you are going to run three sets of lights ????? you need more relys ,,,, need to turn the neg switched power to a high output neg swicth to trigger three relys to power the lamps
#5
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