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#1
11-15-2019, 06:58 PM
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Voltage Regulator Connection Questions...
I tried asking this on Facebook and now I'm more confused than ever...maybe I will ask better here.
I picked up a new voltage regulator and wire harness for my 149, I was going thru the connections here at my desk and nothing appears to line up between the notes on the wires, the terminals on the regulator and the wiring diagram. I have 3 wires coming out of the harness that are labeled "voltage regulator". The tag goes on to say Gray-"Batt", Blue-"A", Yellow-"F" The diagram I have (from Technical Doc section) shows a Gray wire going to "B", Blue wire going to "G" and a Yellow wire going to "F" The Voltage regulator has a "GEN" terminal, an "F" terminal, a "BAT" terminal and an "L" terminal From this I'm fairly confident that the Yellow wire should go to the "F" terminal. I think the Blue wire should be going to the "GEN" terminal and the Gray wire should be going to the "BAT" terminal, but not very sure about this...and I have no clue what "L" is for. 
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#2
11-15-2019, 07:14 PM
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"L" terminal is for lights, most applications do not use it.
F= Field--- small terminal on S/Generator Gen or A, --Armature, goes to larger terminal on S/generator. Batt goes to bat terminal. just make sure you go by labeling on the regulator lugs, not the location of them, as various manufactures locate them differently.
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#3
11-16-2019, 01:20 AM
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I've most often seen the word "load" associated with the L terminal. If your schematic doesn't use the L terminal just ignore it.
A wild guess for using the L terminal rather than tying all loads to the battery is the L may be regulated to about 12 volts, while the battery charges up over 14 volts. But I pulled that one from you-know-where.
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Rusty 149 project with: QA42 snow thrower 38" deck Barn fresh 1811 with: 44c mowing deck QA42A snow thrower 42" snow blade
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#4
11-16-2019, 06:33 AM
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According to Cub Cadet, the "L" stands for Load. That V/R was only used on the Original and 70/100 series tractors. All subsequent models did NOT have the L terminal.
Per the Factory Wiring Diagram B = Grey Wire G = Blue Wire F = Yellow Wire GRD = White Wire
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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