c20letandy1988
Member
Registered: 14th Apr 09
Location: Wirral, Merseyside drives: corsa turbo
User status: Offline
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ive just put my battery in the boot so there more room in engine bay would anybody know what amp/watt cable id need to power the engine and were i could get a junction box to run all my lives to ive looked on ebay but sooooo many diffrent ampage cable cheers andy.
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davieslim
Member
Registered: 15th Sep 08
Location: Glasgow City
User status: Offline
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4 gauge, when i did mine is bought everything from maplin as they will cut the cable to the lenth you need
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c20letandy1988
Member
Registered: 14th Apr 09
Location: Wirral, Merseyside drives: corsa turbo
User status: Offline
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4 gauge whats that may i ask? roughly need 3metre of cable and some sort of junction to bolt all conections together
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oceansoul
Member
Registered: 19th Jun 06
Location: Sunbury, Surrey
User status: Offline
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Gauge, or more precisely AWG (American Wiring Gauge) is a measurement of cable size. 0 Being the biggest (yes, i know you can get bigger but for most uses 0 is biggest). 4 AWG is approx 21.14mm^2 CSA.
http://www.engineeringtoolbox.com/awg-wire-gauge-d_731.html
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djgritt
Premium Member
Registered: 1st Nov 07
Location: Dorset Drives: Focus ST / Hyundai i20N
User status: Offline
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I've done this earlier in the year...
I used 2AWG cable instead of 4AWG i'd picked up originally - much, much more substantial to cope with starting current draw;
Used battery terminals I got in Halfords;
Made an earthing point in the Boot for the Battery Neg;
Routed the cable through the car using an existing bulkhead hole for penetration to the cabin next to the pollen filter area, and also cut some of my own holes for easier routing - secured using P-Clips and Grommets;
Made an earth point for the original Negatives under the bonnet;
Bolted a CF Plate in place of the original battery, then fitted a Power Distribution Block designed for ICE Installs to connect the live and the original positive cables;
Works a treat, but need to sort a Circuit Breaker or similar for the Live Cable incase of any problems in the future - been like this for 6 months now without issue though 
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P1CK4D
Member
Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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Go to a scrap yard, find a BMW, and use that cable 
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c20letandy1988
Member
Registered: 14th Apr 09
Location: Wirral, Merseyside drives: corsa turbo
User status: Offline
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thanks very much much for pics and help really apreciated
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DERV-POWER
Member
Registered: 13th Sep 09
Location: Greenfield, Flintshire
User status: Offline
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get earth cable for a 200amp mig welder you will get 4 metres for about £12
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Alex_Rally
Member
Registered: 6th Sep 09
Location: Tyne and Wear, gateshead
User status: Offline
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doing this on mine soon, what sort of breaker do u need ? whats different from the origial setup , other than theres a run of cable, is it incase the cable gets damaged ??
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AlexW
Member
Registered: 25th Oct 08
Location: Essex
User status: Offline
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You want a fuse that is slighty below/the same as the amp the cable is rated to, It is just for that reason, So if the cable gets shorted out it blows, and also if the engine suddenly puts loads of drain on the cable it popps the fuse rather than melting the cable.
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Alex_Rally
Member
Registered: 6th Sep 09
Location: Tyne and Wear, gateshead
User status: Offline
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cheers pal, ave got one in the shed i think 
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bigron1988
Member
Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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bmw battery cable
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Alex_Rally
Member
Registered: 6th Sep 09
Location: Tyne and Wear, gateshead
User status: Offline
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just looked on ebay, there like 70quids lol
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bigron1988
Member
Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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just go to a scrappy your self and get it for a £5
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