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Anyone had a problem putting H4 lights in a Bug

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helbus Administrator Mad fabricator, paint and body

7,386 posts · joined Sep 2002 ·

#1023585
Our 1971 Super Beetle has the brackets inside the front headlight buckets to allow the fitment of the later Kombi semi sealed headlights with H4 globes. The original was the 40/45W round bulb and non sealed headlight. The Kombi semi sealed beam allows for a 55/60W H4. The physical fitment is fine. I am just enquiring about whether we would need relays for the light circuits. The Kombi never had relays with it's 55/60W globes, however I have them fitted now, as it has 90/100W globes.
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beetleboyjeff Custom Title Time!

1,790 posts · joined Feb 2009 ·

#1023589
I have 140/100w globes in mine, and I have a relay on each light these days. Shit I can see well though
From your ole' mate Jeff

modnrod Fahrvergnugen

978 posts · joined Mar 2011 ·

#1023595
The difference between your OEM globes and the H4 on max power draw is only 1Amp or so.
Having said that I usually use a relay when drawing over 3A (36W) always anyway, especially on a long wire run or when using older wires.
One 30A changeover relay is easy to enough to whack in, and then your good to go no worries.

grumble Son of Jim - Creator of Good

2,672 posts · joined Jun 2008 ·

#1023598
The relay will reduce the voltage drop and reduce the current flow through the switch,if the power to the relay is fed directly from the battery the difference in the lights will be very noticeable

wombatventures Wolfsburg Wizard

680 posts · joined Feb 2013 ·

#1025059
Have been thinking of doing the same with our Notch. Would a normal relay for a spotlight set up suit with the switch wires re-connected to the 85/86 terminals or would it be better to set it up with 2 relays , one each for high and low beam?
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grumble Son of Jim - Creator of Good

2,672 posts · joined Jun 2008 ·

#1025060
Most of the relays available are 30amp and I use 1 relay per beam.

1303Steve Scirocco Rare

8,650 posts · joined Aug 2002 ·

#1025070
Buy some 7 inch Narva bases and a good quality H4 sealed beam, you don't need to use bulbs with excessive wattage, Phillips make really good globes in 55/60

Birdman Wolfsburg Wizard

428 posts · joined May 2010 ·

#1025088
1303Steve wrote:Buy some 7 inch Narva bases and a good quality H4 sealed beam, you don't need to use bulbs with excessive wattage, Phillips make really good globes in 55/60
Can you put a link for these bases Steve? I cant find them.

hulbyw Insano Dub Head

819 posts · joined Sep 2009 ·

#1026677
Relays are definitely the go. Reduces the amps through the old headlight switch which is a good thing. Narva 72190 I reckon. Really worthwhile upgrade. You need to take the headlight rim off to adjust the lights but that is not a problem. I removed the original adjusting screws from the chrome rims and replaced them with countersunk stainless screws to fill the holes so they still look ok.