I've looked all over the place and can't find a defenite answer. Appropiate wiring techniques for HID installations.Should I connect them directly to the factory harness and if so do I need to put in a bigger fuse and what wire do I connect the ballast too or should I go with a relay to each ballast and how would I wire that up? Any help will be gratefull. It's driving me insane!! Thanks.
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best way to do it is running the stock low beam power wire as the trigger for a relay to power the HIDS, not a good idea to use stock wiring as its small and not meant for that kind of amperage. Adding a bigger fuse is never a good idea, the fuse is ment to pop before the wires get hot and the insulation catches fire.
I guess relays it is!! Using a relay means I have to run a wire to the battery. Should a 30amp fuse be good enough and which wire exactly is the low beam power wire?
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You would have to find a wiring diagram to figure out which wire is or use a voltmeter if you have one. Not sure what kind of car your putting this in but I knwo my 04 has a single bulb with dual filiment. If you turn the headlights on with one bulb unpluged check for voltage, the wire with 12V (maybe more if the car is running, up near 14ish) thats your power wire.
And yes for the relay you want to run a wire form the battery, that itself is the reason for running a relay, to gets its power right form the battery. As for a fuse size, figure out what kind of amp rating the HID's have and run a fuse just a little higher. But the point of using the relay to run power from the battery is becasue its the simplest way to run a bigger gauge wire then stock, whatever size fuse you deciede to run go online and do some research as to what gauge wire you need to to run the amperage your fuse is set to.
Thanks for the help. My cavy is also an 04'. I'm actually doing this tomorrow. Hopefully all works out good. I'll post some pics of how it turns out. Thanks again!
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Well, almost done but have one more question. When running the signal wire (power wire from actual socket) to the relay, do I have to run that wire from both sockets?
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Are you using one relay to power both HID's or 2 relays? Either way 1 realy requires a single wire to make it activate. You don't need to run both wires to one relay.
btw goo timing on your post, I just got home from work liek 5 minuets ago hahah
I hate to be such a pain in the a$$ but here is my deal now. I have everything wired up and it's all wired up neat and tidy but there is only one thing stopping me now. As far as the "signal" power wire from the original harness, which one is it that I would run to the relay. It can't be the middle one because it has constant power. Is it a combination of the other two wire left? I heard these cars have reverse wiring. Is there something special I have to do with that?
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do a quick search i had posted a diagram on the harness and a write up....its been posted a couple dozen times
(1) 30A Relay
(1) 30amp Inline Fuse
Yellow Ring Terminal For Battery
For 9007 Situations, if 9005/9006 just do it with the Low beam not the High and Low
Cut Ground/Low Beam Wire from the ballasts…
Take the Ground From Stock Socket To the 85 Term on the relay
Take the High/Low(on 9007 only) Beam From Stock Socket to the 86 Term
Use Inline Fuse for Terminal on Battery
Put a 12ga wire from the positive terminal of the Battery to the InLine-Fuse to the 87 Terminal on Relay
Take the 12v From Both Ballasts to the 30 Terminal
Ground Both Ballasts to a desired ground point
there i did the search lol... if you want to use both sockets then you just do everything twice...one on each side, 2 relays 2 inline fuses , theres really no need to do it that way though, but if you want you can.... its pretty easy honestly, just mark the wires so you dont get confused... you are correct our cars are reverse switched thats why you need to take the ground to the relay also,
Well, I guess that's the bit of info I needed to get them bad boys working properly. Thanks a bunch you guys. I guess all we need is to work on our DIAGRAMS a bit more and we'll be alright. J/k. That diagram did it for me. Once again thanks a bunch!!
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lol i made that diagram in 2002 ....long time ago...
John Saavedra wrote:Well, I guess that's the bit of info I needed to get them bad boys working properly. Thanks a bunch you guys. I guess all we need is to work on our DIAGRAMS a bit more and we'll be alright. J/k. That diagram did it for me. Once again thanks a bunch!!
If you knew Paul you would know that that is the best he can do. LOL
^^ Oh man..........that's not right! Hey, look on the bright side.....atleast the battery is squared off.
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im sorry but thats a SUCKY diagram....LOL
I Re-drew DrPaul84's diagram for you
:
sorry to bring this back from the dead..... BUT.....
the above diagram just shows using a single plug from a headlight to trigger the relay which runs BOTH hid's right? say I use the drivers side plug to trigger the relay... what would I do with the passenger side? could I wire 2 relays and keep each hid running separately???
yea but then you have to do double the work an use 2 relays an all that fun stuff
so.... if i just need to use one of the stock sunfire headlight plugs to trigger the relay.... what do i do with the other plug? If i'm using the drivers side plug to run it.... what do i do with the passenger side? just tape it off?? or??
yea tape it off tuck it away in a safe spot
I have a question. Now that its cold out side my driver side light with hid's dosent come on right away, its like it needs to warm
up a bit then i turn the lights off and when i turn them back on then both lights work. Is that a bad blaster? I never had this problem during
the past 2 summers but these last two winters it has happend where that drivers side never work right off the bat like it should. Any clue
what it could be??
Darkstars wrote:best way to do it is running the stock low beam power wire as the trigger for a relay to power the HIDS, not a good idea to use stock wiring as its small and not meant for that kind of amperage.
I'm confused... Darkstars I thought that most aftermarket HID systems were only 35Watts (3amps @ 12 volts)? Would this not mean that they are using less amperage than a 55Watt halogen (4.5amps @ 12 volts)? So using the stock wiring should be perfectly fine for carrying the amperage, or am I way off? To be honest I'm not really sure why most people run the relays with HID's...
Knowledge about everything and yet an expert of nothing!!
Jack of all trades.
maybe the ballast has something to do with the amperage running to the bulb.. as in it differs, no idea tho
