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Thread: Wire gauge question

  1. 17th August 2015, 01:34 PM #1
    Themadmob
    Themadmob is offline Master
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    Wire gauge question

    Hi All

    I know i can search for the answer, but thought I would get some direct advice.

    I am a out to rewire my series 3 and would like to know what gauge wire you have all used and what amperage for headlights ... General wiring ... Wire from ignition to solenoid etc

    Thanks

    Craig
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  2. 17th August 2015, 02:56 PM #2
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    debruiser
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    I just bought a new wiring harness from Autosparks. Good stuff ay.
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  3. 17th August 2015, 04:16 PM #3
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    crackers
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    Recent replies seem to suggest that taking a deep breath and buying a new loom is the answer. Different if you're only doing one or two wires of course.
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  4. 18th August 2015, 07:44 AM #4
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    Dark61
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    I found this somewhere when I was looking to replace a few wires rather than the whole loom.


    Aproximately equivelent wire sizes and capacities:

    British standard
    U.S. standard
    AMP carrying
    capacity    General
    uses
    14 strand
    18 gauge
    8 amps
    tail & side lamps. general instrument wiring
    28 strand
    14 gauge
    17 amps
    Headlamps, horns, Aux lighting
    44 strand
    12 guage
    25.5 amps
    Generator to Control box & Ammeter
    65 strand
    10 guage
    35 Amps
    30 AMP alternator feed & ammeter


    cheers,
    D
    1957 88 Petrol (Chumlee)
    1960 88 Petrol (Darwin)
    1975 88 Diesel (Mutley)
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  5. 18th August 2015, 09:10 AM #5
    Gerokent
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    I'm rewiring my sII 109 and am using 4mm wire throughout. New light assemblies I have brought have only about 2.5mm wires, so for me 4mm is a bit of over kill. Better to have more capacity than just enough me thinks.
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  6. 26th August 2015, 07:53 PM #6
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    Homestar
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    Various sizes would be required - I'd get some 1.5, 2.5 and 4mm for the lights, although 2.5 would be ok for that. You'll also need a small run of something heavier to run from the alternator to the battery - 10 or even 16mm if you want to get carried away.

    When I rewire my series 3, I'll be redoing the entire loom, but updating it with some fancy new fangled technology for **** and giggles - full CAN bus between the dash and the engine bay, so only 1 wire running through the firewall controlling all lights, indicators, ignition, cranking and brakes - but that's just me...
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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