geeves wrote:The wires might not of been big enough. I dont have any ratings for my cordless 18v but my power drill is rated at 400w. The cordless is almost as powerful. If your 12v was the same it would draw 33 amps and more at start up. You need 4mm wires minimum
geeves wrote:copper yes, cross section area not diameter. It will say 4mm on the pack
gomulletgo wrote:Thank you geeves, the most helpful member as always I have wired up a 12V ryobi cordless drill as directed with some chunky cable (about 2mm copper wire diameter) It seems to work fine, the real test will be when I start using it a bit. I also tried the 14.4V one again, I had the polarity correct, with jumper cables (massive core) and same again, it hissed and spat and no drive, I think the wiring setup must be fried as when i disconnected the wiring setup and just ran the jumper cables to the 14.4V drill motor directly it ran fine. Obviously I need a FWD/REV control unit. So I think the 14.4V is toast and I won't bother with it for now.
geeves wrote:cordless drills run either way so unless there is some electronics in there all that would happen is the switch would work in reverse
liamhanigan wrote:Did this and I keep the drill in the back of the MU, awesome never having to charge my drill.
I run it off a small lead acid battery when it's away from the car too, lasts for weeks instead of hours
geeves wrote:The ideal adition to this would be a cordless hammer or even better impact drill. That should even handle wheel nuts
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