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The Terminator
Engine/Tuning
GT Fuel Pump Amp Draw?
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<blockquote data-quote="Black Cobra" data-source="post: 10974373" data-attributes="member: 3163"><p>Are we sure this 8 AWG recomendation isn't coming off a 110volt AC chart? Several sources I find for Automotive 12 volt DC; indicate that 10 AWG is the wire to use for 30 amps in the 15-30 foot range. </p><p></p><p>I've installed an additional FPDM and haven't ran the wire from the battery yet. This is something I want to get right but I dont want overkill.</p><p></p><p><a href="http://www.tessco.com/yts/industry/products/itm/automotive/get_wired.html" target="_blank">Automotive Wire & Wiring Guide from TESSCO - TESSCO.com</a></p><p>Here they show 10 AWG @ 30 amps good for 15', 20', and 25'; chart doesn't run out to 30'. They also show 8 AWG for 40-50 amps running 25' and short runs (5-10') of 150/200 amps.</p><p></p><p><a href="http://www.btc-bci.com/~billben/maxwire.pdf" target="_blank">http://www.btc-bci.com/~billben/maxwire.pdf</a></p><p>This pdf shows 10 AWG can run 60' @ 15 amps and 45' @ 20 amps. Doesn't show 30 amps; but if you use the 15 amp number then 30 amps would be around 30' half the length for twice the amps.</p></blockquote><p></p>
[QUOTE="Black Cobra, post: 10974373, member: 3163"] Are we sure this 8 AWG recomendation isn't coming off a 110volt AC chart? Several sources I find for Automotive 12 volt DC; indicate that 10 AWG is the wire to use for 30 amps in the 15-30 foot range. I've installed an additional FPDM and haven't ran the wire from the battery yet. This is something I want to get right but I dont want overkill. [url=http://www.tessco.com/yts/industry/products/itm/automotive/get_wired.html]Automotive Wire & Wiring Guide from TESSCO - TESSCO.com[/url] Here they show 10 AWG @ 30 amps good for 15', 20', and 25'; chart doesn't run out to 30'. They also show 8 AWG for 40-50 amps running 25' and short runs (5-10') of 150/200 amps. [url]http://www.btc-bci.com/~billben/maxwire.pdf[/url] This pdf shows 10 AWG can run 60' @ 15 amps and 45' @ 20 amps. Doesn't show 30 amps; but if you use the 15 amp number then 30 amps would be around 30' half the length for twice the amps. [/QUOTE]
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GT Fuel Pump Amp Draw?
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