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530 Gas Electrical Wiring

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Ellis

02-07-2003 11:11:32




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What gauge of wire (white) was originally installed from the starter solenoid (hot) to the ammeter? From my review I notice John Deere did not install a fuse other than on the cigar lighter which resulted in many of the wires insulation melt down from high current loads or simply dead shorts to ground. Appreciate any responses.




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Clooney

02-07-2003 13:42:52




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 Re: 530 Gas Electrical Wiring in reply to Ellis, 02-07-2003 11:11:32  
Ellis, I'm pretty sure it was 12 gauge, [white in color]. Deere doesn't specify the original gauge in any of my data books & doesn't list a part number for bulk wire to build it from for that particular wire.
~Figure the worst amp/load condition would be generator output @ 20 amps & you can safely go 10-12 feet at 20 amps/12 volts with a 3% voltage drop. If you want to get to a 2% voltage drop [12 volts @20 amps] then you get about 3.5-4 feet with 12 gauge wire. I doubt you would ever get a full 20 amps to the battery as the generator puts out 20 amps at 14 volts & 4-5 amps of that goes to the coil before reaching the battery so 12 gauge would be ok. ~I agree with John & usually use 10 gauge as a little heavier wire never hurts & allows a higher output generator to be installed later if you add more lights or other accessories.

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Chuck W

02-07-2003 13:17:35




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 Re: 530 Gas Electrical Wiring in reply to Ellis, 02-07-2003 11:11:32  
the best way to rewire is to get the original wiring from JD it is still available and has all the push ons and proper ends



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John T

02-07-2003 13:02:39




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 Re: 530 Gas Electrical Wiring in reply to Ellis, 02-07-2003 11:11:32  
Ellis, Im not sure what size it was originally equipped with, but it was probably at least a 12 gauge, since it feeds all battery loads. When I re wire things like that, I over wire a bit, simply because doing so slightly reduces voltage drop at high current rates, and I use a 10 Gauge as my main feed wire from the battery or starter post up to the ammeters on about any generator equipped tractors. Out of the ammeter, loads are split up like to the ignition and lights and generator, so I use 12 down to the generator and 12 or 14 most other places. Cigarette lighters are a fairly big load all by themselves. (most of them arent through the ammeter) It never hurts to use too big a wire, but you can get overheating and excess energy robbing voltage drop if its too small. Some wires were actually fusible links, meaning they were designed to burn open just like a fuse would under excess current. Even so, not many fuses were used because even regular wires would simply burn open. Although its not Correct Police proper, on most re wires I install fuses or circuit breakers, especially where thay can be hidden just to be extra safe. I dont want to see anyone hurt or a tractor catch on fire which was preventable by fusing. Good Luck, Ol John T Nordhoff, an overcautious (maybe?) Engineer in Indiana

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