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John Deere Tractors Discussion Forum
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JD 140 Ignition Sw. wiring

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Jim Stouffer

06-02-2007 05:57:23




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Still working on my 140 (no voltage to the start solinoid). I replaced the PTO Sw with a new one to no avail. Can someone with a -30,000 service manual (SM-2080) look up the color coding for the ignition sw. wiring? The Sw terminals are marked B,I,S,R,A. I wolld appreciate it very much.
Jim




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Bob

06-02-2007 07:55:23




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 Re: JD 140 Ignition Sw. wiring in reply to Jim Stouffer, 06-02-2007 05:57:23  
Jim,

As I said before, the color-coding of the wiring changed during the early serial numbers.

The colors you mentioned in your previous post do NOT agree exactly with the diagrams in the genuine shop manual.

If you email me, I'll be happy to snail-mail you copies of the diagrams. (My scanner is "down".)

In general...

B- Battery (Red lead from battery cable terminal stud on solenoid.)

I- Ignition (Lead from points/condensor.)

S- Starter (Lead from safety switches ahead of solenoid... purple/white)

R- Regulator (lead from the center terminal of the voltage regulator)

A- Ammeter

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