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MG MGA - Battery wire/lead length


My 1500 came sans battery wire from battery to front.

Can anyone tell me the correct length and best cable dia to look out for?

thanks
Mark
M THOMPSON

See here: http://mgaguru.com/mgtech/electric/ss_103.htm
Barney Gaylord

Mark,

Look for marine grade copper stranded cable. It has the advantages of flexibility and a tougher casing. I used 1 AWG and my particular cable has a total diameter of almost ½ inch. If I were to do it again I would probably use 2 AWG so it would better fit in the clips under the car. You will need about 8 to 11 feet of cable depending on which side your battery mounted.

A couple of safety items you might also consider are a plastic terminal caps for the battery and a battery cut-off switch. Search the archives for information on mounting the cut-off switch. The latter serves as a poor man's anti-theft device and makes it very convienent to disconnect the battery for work on the car.

John
jjb Backman

I made mine about 8" longer than stock and used the pictured lug on both ends. Picture shows the end of the one I made and the original one. I used #2 cable and it fits in the clips properly.
My local CarQuest jobber has the wire, crimp ends, heatshrink tubing and the big crimp tool needed to do the job.

R J Brown

I have #1-AWG cable with standard jacket for my main battery cable, and it fits the original P-clips fine. I have reason to believe (BMC part number tag) that this is correct original size for the long cable, although #2-AWG should work as well. See detailed information and calculations for voltage drop here: http://mgaguru.com/mgtech/electric/ss_103a.htm
Barney Gaylord

This thread was discussed between 27/09/2010 and 29/09/2010

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