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1970ht Offline
#1 Posted : Monday, 26 April 2010 4:38:16 AM(UTC)
1970ht

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I have a Ht Prem and driving at night can be tricky as the sealed beams can be a bit to weak on even well lit rds . Is there a way to convert them to stronger Halogen ones or could they be cactus and how long can they last ? Did later models lik hx and Hz have halogen ?
davequey74 Offline
#2 Posted : Monday, 26 April 2010 5:21:54 AM(UTC)
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you can put H4 halogens in no probs, but you have to run a relay so you can have 12V to them without drawing to much currant through your old wires and switch
1970ht Offline
#3 Posted : Monday, 26 April 2010 5:28:41 AM(UTC)
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Cheers dave
jim Offline
#4 Posted : Monday, 26 April 2010 5:29:16 AM(UTC)
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Dave,where do i get a wire diagram for the relay/h4 hook up,any ideas?

Jim in Adelaide...Hindsight is bad vision!
Jim in Adelaide..
davequey74 Offline
#5 Posted : Monday, 26 April 2010 6:25:23 AM(UTC)
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i know a auto elec, he just gave me a relay and a peice of paper with some instructions on it

from memory relay was about $8 + a few meters of wire

it is quite simple (it must be if i can do it)

basicly theres 3 spots on the relay

1, trigger, your original power wire is used as the trigger
2, the 12V from the battery goes in
3, the 12V power goes out

the relay earths itself through the mounting tab (some have 4 spots, the fourth is the earth)

i will have a look for the instructions i have in the morning, til then thats the best i can do
Dr Terry Offline
#6 Posted : Monday, 26 April 2010 6:32:00 AM(UTC)
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A relay is not totally necessary.

If your switches & wiring are in good original condition, just simply convert to halogen inserts.

A standard halogen globe actually draws less current than a standard 7" incandescent sealed beam but emits substantially more light, especially if you use one of the new plus 30 or plus 50 type globes .

Dr Terry

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If at first you don't succeed, just call it Version 1.0
mackv8 Offline
#7 Posted : Monday, 26 April 2010 6:54:13 AM(UTC)
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Check to see if you are getting a full 12 volts at the head lamps and a good earth

hz had halogen BUT the outer are only low beam.

looking for an ex ambulance based on the hj/x/z 2 tonner see photo

and collector of all things ambulance police fire and the odd hq to wb parts
looking for an ex ambulance based on the hj/x/z 2 tonner see photo

and collector of all things ambulance police fire and the odd hq to wb parts
1970ht Offline
#8 Posted : Monday, 26 April 2010 8:38:17 AM(UTC)
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thanks Mack
Warren Turnbull Offline
#9 Posted : Tuesday, 27 April 2010 4:14:57 AM(UTC)
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Terry,

You forgot to mention that a HZ uses the same headlight switch as an HT and the HZ has H4s standard.

Warren
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