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Guest Message by DevFuse

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Ground Wire Gauge Recommendation, 87 Brat

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2 replies to this topic

#1 aba4430


    Eat, Live, Breath Subaru

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  • Pace, FL

Posted 26 August 2004 - 05:13 AM

I am going to be redoing the grounds on my Brat soon and was thinking about 8 and/or 10 gauge cable. Streetwires OFC power cables (both gauges) are quite cheap at EBay. Will also make custom battery cables from 1/0 Gauge Streetwires OFC power cable. I appreciate any recommendations.

#2 beauregaardhooligan


    Subaru Fanatic!

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  • Greenville, SC

Posted 26 August 2004 - 08:33 AM

I should think the bigger the better for ground wires.
Lots of gremlins have been traced to bad connections at the ground.

#3 Scoobywagon


    Evil Genius (tm) for Hire

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Posted 26 August 2004 - 02:39 PM

For the most part, a Subaru doesn't run enough current to warrant wires of that size. Really all you need are clean connections. Having said that, I'm running 4-ga between the battery and the engine block, the block and the body and the battery to the body. I've got 4-ga running from the battery to the starter and 8-ga to the fusible link cluster. My wire size choices were made predominantly by the fact that 4- and 8-ga wire was what I had on hand when I needed to do all that re-wiring.

Realistically, you could get away with 12-ga grounds all the way around without a problem. You just have to make sure that the connections are clean and tight.

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