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How to wire headlight relays

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  • čas přidán 27. 06. 2017
  • This video is a detailed walkthrough of the American Autowire headlight enhancement relay kit. Our kit includes separate relays for the high and low beams as well as upgraded GXL wire to make fresh connections to your lights. It's available in both standard (pn/ 500403) and weatherproof (p/n 500431) form.

Komentáře • 108

  • @Hiazhunter
    @Hiazhunter Před 3 měsíci

    Thanks for the information. I used this setup but without the dimmer switch. I used a DPDT toggle for my aftermarket fog/driving combo lights.

  • @yocz2007
    @yocz2007 Před 6 lety +4

    Thanks for the infos,thats help me to see clearer on the light bar installation!

  • @udaygidge5457
    @udaygidge5457 Před 5 lety +2

    very nicely explained..thank you!

  • @quraishalgurabi8089
    @quraishalgurabi8089 Před 6 lety +4

    Do we have to install Fuse 30 to Batt. and what is the amp. rate for Relay's and the Fuse if we have to use.. thanks

  • @Turbochapman
    @Turbochapman Před 2 lety +2

    If I've already used the AAW Classic Update Series Kit for my Nova do I need this to power my new Led headlights? They seem to work fine now, just don't want issues on long overnight road trips.

  • @PaulsAssortedTinyIdeas
    @PaulsAssortedTinyIdeas Před 6 lety +2

    Nice one, what software you use for the animation? Tnx

  • @boseimm1
    @boseimm1 Před 6 lety

    I am trying to wire a gmc 2017 Yukon Denali fog lights? I purchased a LED fog light kit. It explains the wiring ok. Although I would like to wire this kit bypassing the switch that comes with the kit and use the switch that is already inside the cabin of the Yukon. Are you able to explain how to tackle this approach?
    Thank you, Patrick

  • @bentleynut1648
    @bentleynut1648 Před 4 lety +16

    Terminal “85” is typically used to wire to ground (not 86 as mentioned in the video) and terminal “86” would be used for your existing Low Beam (or High Beam) trigger wire. Terminal “30” should be used for Battery Power and should have an in-line fuse or circuit breaker. Terminal “87” should go to the Low Beam (or High Beam) light

    • @wengsiongsai2815
      @wengsiongsai2815 Před 2 lety +3

      Pins 85 and 86 are on the trigger/activate circuit, which is usually activated by a live on one pin and a switched earth/gnd on the other OR a gnd on one and a switched live on the other. It doesn't matter which way round.

    • @junaronate2688
      @junaronate2688 Před 2 lety

      Ùuþý

    • @babelonchabalala1690
      @babelonchabalala1690 Před 3 měsíci

      In the video the relays are laying sideways.... The layout is correct ..... Turn it 90° counterclockwise then u will see its correct.... All these type of 5 pin relays are the same..... Only problem with this video is that there is no fuse between battery and pin 30 to protect the circuit from overheating or blowing a bulb

  • @cfuller926
    @cfuller926 Před 3 lety +2

    protects my '71 switch & wiring as I install H4 lghts. Better ck grounds. Can U send me the schematics electronicly. Cant get it to dwn load...

  • @domingodeanda233
    @domingodeanda233 Před 3 lety +2

    That was pretty damn good

  • @alphathefirstone1222
    @alphathefirstone1222 Před 2 lety

    Thanks I have 2 prong headlights..will copy this to the tee...thxs

  • @ignatuissampie8054
    @ignatuissampie8054 Před 6 lety

    Hi ...i did it a couple of months ago , and it worked real good...but now my headlights are very dim again...pls advise

  • @rupnik1012
    @rupnik1012 Před 6 lety +1

    Can u send me the video or photos how to do wiring to 9006 bulb to connect h4 wiring on 2weller .

  • @roderickverga6517
    @roderickverga6517 Před 5 lety +1

    Hi,I have a 2007 Honda Fit, it uses H4 bulbs, I have put some led driving lights to assist with the high beam, with the standard bulbs I can get the driving lights to work with the high beam, but as soon as I put LED H4 bulbs in the driving lights will not work, can someone help. I have tried to get it to work, but I am lost and need help.
    Thanks Rod.

  • @TX_Lawyer
    @TX_Lawyer Před 3 lety

    Do u need separate relays if you have fog lights as well?

  • @christinemedranovaa2108
    @christinemedranovaa2108 Před 5 lety +1

    Is this including single lights.

  • @mikeashford9240
    @mikeashford9240 Před 4 lety

    Thank you for the video but I am trying to update a 1988 Ford Ranger 4X4 to the newer and brighter lights not just the headlights ........

  • @a075923
    @a075923 Před 3 lety +3

    Does the headlight switch protect the entire circuit? Looks like something would be needed between the battery and relay. Thanks

    • @racghineering
      @racghineering Před rokem

      Common problem...
      In indonesia, always happen a burned switch/ brokelamp

  • @MoparMan-ff8fb
    @MoparMan-ff8fb Před 3 lety +1

    ok so I just watch your video . where is the power coming from? still from the factory switch or a separate power source? if a separate power source what do you hook up to? I want to get a kit to do this to my 65 dodge dart and my 82 dodge d150 and my dad's old 78 chevy truck .

    • @mr.b3168
      @mr.b3168 Před rokem +2

      The lights get the power from the battery on a shorter more direct wire which allows for less voltage drop meaning brighter lights. The old power source (Light switch inside car) is now used to activate the relay to allow the power from the battery to travel to lights.

  • @malgers2005
    @malgers2005 Před 3 lety

    good video sir now i know

  • @joasruba247
    @joasruba247 Před 6 lety +8

    hello I have a question... how to connect headlights high and low beam in a single relay?

    • @swapnalipatil9310
      @swapnalipatil9310 Před 4 lety +1

      Same quiry..why not use 1 relay for these

    • @BikerStuff
      @BikerStuff Před 4 lety +1

      @@swapnalipatil9310 you need a separate relay for each circuit (beam). You can get switching relays but the extra wiring needed makes it a harder job. Come on, relays aren't expensive, buy 2.

    • @charliedee9276
      @charliedee9276 Před 3 lety

      You can but you still have to have another to energize the second one. A 4 pin to energize the 5 pin with both h and l beam coming off the 5 pin, 87a low beam and 87 high beam. Feed 12v supply to 4 pin 30 with 87 feeding 30 on the 5 pin. Low beam switch energizes 86 on the 4 pin and high beam energizes 86 on the 5 pin. Tie the grounds and call it good.

  • @alexcordova7655
    @alexcordova7655 Před 6 lety

    I had double fog light but I don't know how to wire it... I used a fog light kit with 30 amp, and everytimte I turn on the fuse blow up.. I don't know if a need to buy another FL kit and keep this separate with fuse and relay and connect to a single switch ?

    • @boseimm1
      @boseimm1 Před 6 lety

      Use the wires already there.

  • @Mr.ZachBach
    @Mr.ZachBach Před rokem

    So If I were to wire a relay for my headlights to have dims and lows on at the same time I would wire 85 to ground, 30 to positive battery, 86 to high beam positive, and 87 to low beam positive?

  • @mvpaps4444
    @mvpaps4444 Před 2 lety

    What if i want both hi and low to be on but if im on low the high should be turned off like a normal headlight system

  • @calebclark7959
    @calebclark7959 Před 8 měsíci

    What about 3 headlights. I have a honda shadow and i ran a similar set up for powering 3 light bars but i could only get 1 lit for low beam and the other 2 lit for high beam. I want my low beam light to keep running when i switch to high beam so that all 3 are on, but in low beam only 1 of my lights

  • @charliedee9276
    @charliedee9276 Před 3 lety +2

    Use a 4 pin relay for the one getting power from the vehicle, then you won't have an unused terminal on the other.

  • @dudenli
    @dudenli Před 5 lety +6

    Don't forget to protect your headlight switch or BCM from relay's voltage spike. add Diode to protect your car

    • @santanaman6783
      @santanaman6783 Před 5 lety

      Where would the diode be added in what section

    • @dudenli
      @dudenli Před 5 lety +1

      @@santanaman6783 in the relay's coil pin 85 and 86 search for the relay flyback voltage on google i can not put image here

    • @robertjackson7590
      @robertjackson7590 Před rokem

      You can find relays with a resistor or diode already built in and save the trouble. Factory headlight relay in a 70 Chevelle uses a resistor across 85 and 86. That's what I'd match. Induction Kick reverses the polarity and multiplies the voltage 4-6 times input voltage. With an ECM I'd use the Diode but this is a manual switch.

  • @aleepdhar5456
    @aleepdhar5456 Před 6 lety

    How to wire the Toyota corolla 2006 model.

  • @ismaeldossantos3296
    @ismaeldossantos3296 Před 4 lety

    No fuses? I fit a 4 way fuse box.

  • @philipvillar9428
    @philipvillar9428 Před 6 lety +7

    how can it be,f there's no wire ground at light

    • @AztecWarrior69
      @AztecWarrior69 Před 4 lety

      Seems like you should or the kit should come with Ground wires for the lights. What's the point if that current is traveling on stock smaller AWG wire?

    • @tonyfremont
      @tonyfremont Před 3 lety +1

      You definitely need to ground the headlamps. If they're short and straight to a decent body ground, you don't really need to increase their size. Shorter wires can be smaller gauge and still work okay. Current flow AND length are how you should size wire. There are charts all over the place. Be careful about copper clad aluminum (CCA), stay away from it, it's garbage. You want rea solid copper (OFC) type wire. If you crimp connectors, check temperature of them in operation to be sure you don't have some resistance in there. Make sure nothing gets hot, check every connection point, plus the wire itself.

  • @bertapartv
    @bertapartv Před 3 lety

    Nice boss
    Keep safe blogging boss

  • @umangu
    @umangu Před 3 lety +1

    I have H4 wiring where the same set of wires supplies power for both low and high beams. Do I need dual relays or will 1 relay suffice?

  • @suyononano3576
    @suyononano3576 Před 4 lety

    Thanks 👍

  • @deepakdipu7025
    @deepakdipu7025 Před 4 lety

    Sir good video

  • @BAHRacingTeam
    @BAHRacingTeam Před 2 lety

    I’m building a drag race only 1989 mustang. All the factory wiring has been removed. I purchased new headlight, marker light and park light plugs. I’m looking to just run these to a basic switch to activate low beams just for racing at night. Not concerned with high beams. Also just tail lights, and not concerned with brake lights working. What do you recommend? Thanks

    • @nonyabidness6492
      @nonyabidness6492 Před rokem

      Look up the channel "ratty muscle car"
      He's got a complete series for this

  • @manzoorhussain2703
    @manzoorhussain2703 Před 4 lety

    What's the meaning of following abbreviation in auto wiring??
    1. HTR.
    2. Door dl/s.
    3. Ami.
    3. St.
    4. IG.
    5. M Htr.
    6. Def / up.

  • @techtoday5784
    @techtoday5784 Před 9 měsíci

    Can i use this for 6 low beam bro?

  • @guest2007
    @guest2007 Před 4 lety +1

    27 dec 2019 2:23 am est:thanks, i don't see car-alternator-icon so car-alternator give electricity to battery then battery give electricity to car-head-light ?
    car-alternator does not give electricity to car-head-light, directly ?

  • @rajpuramohsin3394
    @rajpuramohsin3394 Před 6 lety

    i10car2013 haedlaet elactrecal varying camlat dayagram satha video banavi batavo plaz

  • @Junaidkhan-uc7pl
    @Junaidkhan-uc7pl Před 2 měsíci

    This coniction same to 24v rely
    Pleas rply me

  • @rabahotsmane7311
    @rabahotsmane7311 Před 6 lety

    hello my name is Rob I have problem with 600 Honda Silverwing every time I start the bike the fan keeps running never stops and some fuse get burn what I should do please let me know thank you very much

    • @ignatuissampie8054
      @ignatuissampie8054 Před 6 lety

      Hi
      Pls advise
      I have a polo classic whit two sets of wires for the headlights. Do I put the left and right side dim / bright wire toghether

    • @Mazda75
      @Mazda75 Před 6 lety +1

      The temperture switch that activates the fan is bad. Is located on the bottom part of your radiator.

  • @markbudol9428
    @markbudol9428 Před 4 lety +3

    You forgot the one terminal in headlight connected to ground

  • @andycarranza4125
    @andycarranza4125 Před 2 lety

    Is it normal for the red wire from the battery to get hot while running? It's fused before going to the relays.

    • @jordanturner97
      @jordanturner97 Před rokem +2

      It shouldn't get hot, Sounds like the wire is too thin or you have excess resistance. Try using a thicker gauge of wire

  • @ChristinaStewart-k2q
    @ChristinaStewart-k2q Před 5 dny

    Where do I get headlight relay kit

  • @Rameshwarj1760
    @Rameshwarj1760 Před 3 lety

    How to connect duel head lamp relay to bike

  • @nathanrenzsimon6277
    @nathanrenzsimon6277 Před 5 lety +1

    where is the number of relay.?

  • @dharmveermandal3674
    @dharmveermandal3674 Před 2 lety

    Thank you 💕 g

  • @rajbahadur2162
    @rajbahadur2162 Před 5 lety

    Good video sar laik

  • @choudharysahab4953
    @choudharysahab4953 Před 6 lety

    Witche app you used i want make like this video i am from india

  • @gauravjindal0203
    @gauravjindal0203 Před 4 lety

    Aak video ase banao ke Eicher tractor ma light or uska connection battery kasa Kara or vo battery charger kasa kara

  • @alanlusica5791
    @alanlusica5791 Před 5 lety

    Ser give diagram head of isusu elf connection

  • @samkitty5894
    @samkitty5894 Před 2 měsíci

    Are headlight relays always under power? I noticed on my car, with no key in ignition, and with headlight switch removed, I still have power to the headlight relay. If I pinch the contacts with my fingers, my headlights come on.

    • @Yvola
      @Yvola Před 17 dny

      there are often things that will always have power, often cars will have a little clock or digital display,
      a red beeping "security" light, you can switch on many interior lights without the car being turned on with the key, since power comes straight from the battery through that red wire there will always be power going to it however if it isnt going anywhere else from there the battery usage is minimal to non existent 👍

  • @jelotech579
    @jelotech579 Před 4 lety

    NicE diagram

  • @choudharysahab4953
    @choudharysahab4953 Před 6 lety

    How to use make like videos please tell me

  • @mohammad45h
    @mohammad45h Před 2 lety

    سلام سپاس درود وهزاران 👍...

  • @marknicerio4196
    @marknicerio4196 Před 5 lety

    its quite confusing.... u didnt indicate the 87, 86 30 and 85 dunno where it is.... sorry for the request im studyng autmotive

  • @teddy07diaz52
    @teddy07diaz52 Před 2 lety

    How to wire a two horn

  • @shantilalgohil4387
    @shantilalgohil4387 Před 2 lety

    Where is input headlight switch ?

  • @nirjitmaibam6078
    @nirjitmaibam6078 Před 5 lety +2

    How can we increase the brightness ?

  • @ROCKOCTANE
    @ROCKOCTANE Před 4 lety +2

    Wow no fuses

  • @boseimm1
    @boseimm1 Před 6 lety

    If that doesn't work let me know. I have another theory

  • @SandeepSingh-bn9ws
    @SandeepSingh-bn9ws Před 3 lety

    Neutral Terminal not connected

  • @deniscapeta2375
    @deniscapeta2375 Před 6 lety

    you are missing flyback diode...without it you will after some time burn your car battery...

  • @habtamuwubet6175
    @habtamuwubet6175 Před 3 lety

    It is better show all lighting system i.e head,turning,tail light with rely in details

  • @rameshhiremani277
    @rameshhiremani277 Před 4 lety +1

    Eicher

  • @jamesmoore5598
    @jamesmoore5598 Před 6 lety

    7161

  • @chirkarahul7252
    @chirkarahul7252 Před 4 lety

    Think

  • @sangitapandya7928
    @sangitapandya7928 Před 4 lety

    Jitu rajkot ok

  • @tonyfremont
    @tonyfremont Před 3 lety +1

    Might want to ground those head lamps, just sayin'.

  • @collenpapama2163
    @collenpapama2163 Před rokem

    Don't understand no numbers

  • @rtchow3000
    @rtchow3000 Před 3 lety +1

    your design diagram is fault. if you connect your headlights directly to the battery, you taking a lousy chance on battery kill the high lamp. mine connected to the starter, to the fuse box for safety. you are pulling too much juice off the battery when the headlight turns on. there is no safety on this schematic, might even fry the wiring when the high beam turns on.

  • @marksmith5771
    @marksmith5771 Před 2 lety +1

    You said absolutely nothing about the dimmer switch.

    • @chop_chuiey2327
      @chop_chuiey2327 Před rokem +1

      guess you failed ohms law and schematics...look again circuits and read the comments on coil relay pins connections. cheers happy motoring

  • @vjntube
    @vjntube Před 6 lety

    தமிழில் czcams.com/video/Plj8NnAUVXE/video.html

  • @amilhasan3724
    @amilhasan3724 Před 4 lety

    Headlight Fix
    czcams.com/video/ZzyEnoxTW1U/video.html

  • @jeetenderkakkar7570
    @jeetenderkakkar7570 Před 3 lety

    Beggarrr poorrr

  • @jimhiscott2918
    @jimhiscott2918 Před 4 lety +1

    Well that was next to useless....thanks🤨

  • @mikeortiz6584
    @mikeortiz6584 Před 6 lety

    SMH😒 Half Azz Video..

  • @ismaeldossantos3296
    @ismaeldossantos3296 Před 4 lety

    That is the worst diagram i ever seen