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Headlamp Wiring.

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#1 Minigman


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Posted 06 September 2019 - 05:06 PM

I what to change from standard 70’s headlights which have a 40/45w lamp to cibie H180 kit with 55/60w H4 lamps.

Do I need to to upgrade the wiring and install relays for the additional amps or can I just use the existing as it’s only a 1.5A increase?

#2 nicklouse


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Posted 06 September 2019 - 05:08 PM

If you are not losing voltage through old worse you will be fine.

#3 Bat


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Posted 06 September 2019 - 07:58 PM


Standard wiring will cover it, just check you're getting the same voltage at the headlights as you are at the alternator.

Cheers :)

#4 andyapanel


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Posted 07 September 2019 - 12:50 PM

I think you should keep an eye on the light switch. At the very least, carry a spare switch and loom repair kit.

If possible upgrade to a relay; I can recommend "Wired by Wilson"'s product.

Good luck; it is nice to be able to see at night.

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