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I just bought H1 HID lights and 7443 blue turn signal light bulbs for my 2001 civic I have Projector headlights and I wanted to know If I need seperate blue bulbs for the high and low beams since it switches fromone set of lights to another if so what kind of bulbs do i need thanks

chardgha18@aol.com

 
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IMO, you dont need new bulbs for the high beam since you barely use them anyway. you should just save your money for another mod. if you have tyc projectors, just keep the bulbs that are on the high beams. if you got the halo projectors, the high beam uses h1 bulbs as well

 
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something I don't get

TYC: high beam, low beam,siganl light, parking light
need 4 socket

OEM: high beam/low beam tegether, signal lights, parking lights
need 3 socket

so if you say we can just use OEM socket we will be puttin H1 to H4 socket

and when you say we just need one pair of H1's you mean we put nothing in the TCY highbeam compartment and it will never ight up ever???

 
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no, on the TYC's, the high and low beam wires combine into one and end up as one socket. so there's still 3 sockets on the TYC's. theres only one main headlight on the OEM because H4's are dual filament bulbs (if you look at an H4 bulb, you will see 2 filaments). H1's, however, only have one filament. that's why TYC's have seperate places for high and low beam.

the only difference is that the TYC's have a H1 harness (to fit the H1's obviously) while OEM uses H4's. the TYC connectors are made to fit the OEM connectors. the bulb size doesnt matter on how the wires connect

 
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and another thing. TYC's come with bulbs, so you dont really need to look for some (not unless you want brighter ones)

 
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so basically, all the 3 OEM connectors can directly be used on TYC's with no problem?

And we don't need to mod anything like cutting wires, replace connectors etc right?

 
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correct. the only thing you need to swap from the OEM headlights is the harness. the harness is only held on by one bolt on the bottom of the headlight. after you get that off the OEM headlight, just put them on the TYC's then you're ready to put them in. everything is plug and play, no need for extra modifications.

 
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I used the sonar projectors (just like the tyc's and retrofitted AUDI S4 HID's into them. Much brighter than aftermarket.