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View Full Version : H6024 Headlight H4 conversion


sir X loin
03-09-2010, 11:54 PM
Does anyone have any experience with useing these bulbs? I had awesome results when I put H4's in an old Landcruiser I had. My truck is so dim that it is sketchy driving at night.

http://cgi.ebay.com/ebaymotors/Hella-7-H4-Conversion-Sealed-Beam-Bulb_W0QQitemZ220555542623QQcmdZViewItemQQptZMotor s_Car_Truck_Parts_Accessories?hash=item335a22805f

This is what I am talking about...

Rick_L
03-10-2010, 12:00 AM
I see no mention of 6024 bulbs. Isn't a 6024 the standard sealed beam halogen replacement?

BO185
03-10-2010, 12:07 AM
That looks like a converstion lens to hold the H4's. But the underlying factor my be poor wiring making the lights dim as well. Also adding relays to run them direcly off the batt. will help as well.

Gary Blake
03-10-2010, 01:58 AM
H6014 or 6014H would be the industry no. for regular halegen. I think?:)

Chevynut
03-10-2010, 02:58 AM
I bought a pair of those Hella e-code reflectors for my Nomad. They're supposed to be really good lights. I have had them in the headlight bucket, but not on the car. You have to cut out the sub-bucket or whatever it's called for the seal to fit. Stock is on the left, modified on the right:

http://pic20.picturetrail.com/VOL97/465705/840294/343153567.jpg

Here it is with the reflector installed:

http://pic20.picturetrail.com/VOL97/465705/840294/343153578.jpg

sir X loin
03-10-2010, 09:55 AM
That looks like a converstion lens to hold the H4's. But the underlying factor my be poor wiring making the lights dim as well. Also adding relays to run them direcly off the batt. will help as well.

I would assume that rewiring the entire circut would be mandatory, and simple enough.

I was asking to see if anyone does this----> Replace the stock style sealed 7" bulb with a H4 conversion.

557B210
03-10-2010, 12:36 PM
I would assume that rewiring the entire circut would be mandatory, and simple enough. I was asking to see if anyone does this----> Replace the stock style sealed 7" bulb with a H4 conversion.

Sir X....Guys do this upgrade all the time....However, there is a set of points in the headlight switch that when overheated will act as a circuit breaker for just a second or two to cool the switch down and thus turn the headlights off. Sometimes it is just a weak or old headlight switch or a dead short to ground in the headlight wiring. More often, it is that you are overloading the stock headlight switch and causing the points to overheat and break due to modern halogen, Xenon or HID headlights. A stock sealed beam headlight only draws 12 to 15 amps. The stock headlight switch is rated up to 15 amps. A halogen headlight draws 15 to 18 amps, which is right on the edge.

You will need a relay kit to prevent your light from flashing on and off....See link to kit and read installation instructions: http://www.classicchevy.com/product.asp?pf%5Fid=22%2D268&dept%5Fid=1171#

Chevynut
03-10-2010, 12:57 PM
A stock sealed beam headlight only draws 12 to 15 amps. The stock headlight switch is rated up to 15 amps. A halogen headlight draws 15 to 18 amps, which is right on the edge.


Headlights don't draw anywhere near that much current. The typical halogen H4 headlights are 55/65 watts, which is only about 5 amps per bulb. I think stock bulbs are even lower.

http://www.sylvania.com/ConsumerProducts/AutomotiveLighting/HighPerformance/Silverstar/ProductLine/

I have seen some specialty bulbs up around 100 watts, though.

Still, I would recommend a relay setup for any upgraded or even stock headlights.

557B210
03-10-2010, 01:26 PM
Cnut...Your right on the amout of current draw...The other source I quoted was incorrect.....Thanks for pointing that out....However, the Shop Manual states that the thermal ckt breaker in the H/L switch is rated at 13 amps and the original sealed beams draw 50W at high beam for a total of 8.3 amps....Therefore, as you stated, 2 halogens at 60W will draw 10 amps, putting you toward the upper limit...See links:

http://chevy.oldcarmanualproject.com/shop/1955/55csm1204.html

http://chevy.oldcarmanualproject.com/shop/1955/55csm1218.html

So, I would recommend a relay setup for any upgraded or even stock headlights as well.

Chevynut
03-10-2010, 01:49 PM
I'm surprised the stock bulbs draw that much current. I suppose the halogen and xenon bulbs put out more light for a given current draw than the old style bulbs due to their efficiency.

I know the 20 gauge wires in the stock harness are smallish even for the stock bulbs, but they've worked for many years. A relay should even help the stock lights burn brighter.

Dustin
03-10-2010, 02:43 PM
Hello.I have installed a convertion on my 55 truck. Your right ,the original's are dim. It's caused by quality light and wiring. If you try and run a higher output lights on the original wiring, you will have trouble. If you run a new wire harness and switch you should'nt have any trouble,but thats an expensive option just for lights. I went with 4200k H.I.D. Limited white bulb, low input, high power Halogen bulb's. These are a blue looking bulb that work awsome at night.
If your running original wiring ,they make a relay set up that is easy to instal and not alot of money. It simply taps into your original wiring to get its signal to turn on (high and Low beam). The other end gets its power directly off your battery. You can find this relay through LMC or cheaper on Ebay. You have a couple options on with your bulb lense. You can buy new ones or modify an old set to save about $60 . The set up I am running is the 4200k H.I.D. bulb,new lense's ,and relay. The total install took about an hour and half with no major modifing. For me, I don't regret these lights one bit. They truelly make a big differece. Good luck to you.:tu

Chevynut
03-10-2010, 03:04 PM
Here's a thread with a lot of info on this:

http://www.trifive.com/forums/showthread.php?t=10228&highlight=conversion

sir X loin
04-24-2010, 08:55 PM
I just bought these.
Bosch 7" H4 Headlight (http://cgi.ebay.com/ebaymotors/Bosch-H4-Headlight-Upgrade-1968-74-IHC-Scout-Trucks_W0QQitemZ390155949014QQihZ026QQcategoryZ337 10QQcmdZViewItemQQ_trksidZp4340.m444QQ_trkparmsZal go%3DCRX%26its%3DC%252BS%26itu%3DSI%252BUA%252BLM% 252BLA%26otn%3D5%26ps%3D63%26clkid%3D8996324645167 147456)

This is the highest quality light at the cheapest price around. Believe me. I looked. The Hella E-code european spec len is supposed to be the best. I had the Hella's in a 1970 FJ40 and loved em. They are just a bit out of my price range this time around. The Bosch is built really well and is still a great non-ricey traditional looking headlight.

I opted for Sylvania Silverstar Ultras. I have had great luck with these bulbs in the past in other rides. They are bright and nice clear white, also, stock wattage 55/60. I thought about really bright H4's but I though about blinding an oncoming driver and hurting my family... and truck. 55/60 is the standard for modern vehcles so it will be plenty. I have a complete Painless wiring harness so it should be a piece of cake. They are not installed yet, but I plan on taking pics for comparison sake.

I think I read somewhere that the stock headlight bucket needed to be trimmed. Any one had to do this?

sir X loin
04-27-2010, 10:16 PM
Hey guys I have a question.

So I swapped in 1 of the headlights I mentioned above. It is not any brighter. I am thinking I have a problem somewhere. Everything works as it should, just very dim. Maybe a ground? I may add a wire from the front "doghouse" sheet metal to the chassis and see what happens. As it is now everythig grounds through bolts. Any suggestions??

56bobby49
04-28-2010, 01:16 AM
Hey buddy you didn't say if you had a relay in there my nephew has a 69 chevelle and putting one in solved his problem .good luck Bobby

sir X loin
04-28-2010, 01:54 AM
Hey buddy you didn't say if you had a relay in there my nephew has a 69 chevelle and putting one in solved his problem .good luck Bobby

I am pretty sure I have one in. I have a whole painless harness. Its been a few years since I installed it. Ill have to double check. Thanks!