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Old 28 October 2011, 01:58   #11
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New Motorcycle Voltage Regulator Rectifier ZJ-125 | eBay

Just bought that one, and that has two yellow, one red, one black, and one green. So it would appear that the earth (presumably green) is different to the negative (presumably black). Hopefully it will be that simple. Still have a load of nice bullet connectors left over too from my jet rib restoration.

Just to wait 20days for postage now!
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Old 28 October 2011, 04:45   #12
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Since some vehicles are positive earth I'm assuming that the negative output is not tied to earth. I could be "Wong" though
Tied to Earth, on a vehicle with Rubber Tyres. Mmmm rather a long EARTH bonding lead on that i would guess!!
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Old 28 October 2011, 04:52   #13
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I used a motorcycle rectifier/voltage regulator on my outboard to charge an AGM battery. So far so good. My older 1993 Evinrude 40hp uses a 3 wire so that is what I bought. Typically there is a red, which is the power output. The black is clearly ground too. Last but not least the green is often for a tach.
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Old 28 October 2011, 05:40   #14
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Tied to Earth, on a vehicle with Rubber Tyres. Mmmm rather a long EARTH bonding lead on that i would guess!!
I thought that it was called "Chassis" on a car but has the same effect as an earth (although they are not connected.
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Old 28 October 2011, 06:46   #15
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Quite right Gary, I'm assuming Brian was joking. It's often referred to as "earth return". Doesn't really matter though does it?
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Old 28 October 2011, 08:31   #16
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Quite right Gary, I'm assuming Brian was joking. It's often referred to as "earth return". Doesn't really matter though does it?
Indeed hence the
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Old 28 October 2011, 11:46   #17
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Thanx for clarifying Brian - darne'd smilies, they get me every time!
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Old 12 November 2011, 14:30   #18
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Right, it arrived today.

Put some bullet connectors on it, and plugged it in to the feeds on my engine. Yellow to yellow, White from the stator coil to pink on the rectifier. Black from stator to engine earth. And then red to be wired to the battery. I put a sheathed female bullet on the green, and for the moment it is not connected to anything.

Turned the engine on the pull cord, and sure enough generated a dc voltage (1.5v) on my multimeter across red and earth. Looking good, and next weekend the engine will go back on the boat and then I will find out if it actually works!
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Old 12 November 2011, 15:41   #19
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Well done rarms
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