1020 Electrical Issue with lights
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Thread: 1020 Electrical Issue with lights

  1. Top | #1

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    1020 Electrical Issue with lights

    I have a 1967 John Deere 1020 Diesel. The lights were functioning fine when I decided to move a new light from the front fender to the rear. I figured it grounded during installation and blew a fuse because now none of the lights work. I talked with my local Deere parts guy. He sold me an AR28493 Circuit Breaker which come to find out was not bad. I can’t see any other fuses on this tractor. Ideas? Could it be the switch itself? Ive not had a chance yet to run a tested for voltage yet. Hopefully that will tell me. I was just hoping someone here would say, oh I had the same issue. Below is a pic of the wiring.Click image for larger version. 

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  3. Top | #2

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    11-09-2019 @ 06:07 AM
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    You need to check for voltage at the purple wire on back of light switch. There should be 12 volts there with key on. If not, then the key switch could be bad or the purple wire between key switch and light switch. The light switch is most likely bad if it has 12 volts supplied to it. The circuit breaker in your photo looks nasty, so I would replace it anyway. If it were bad, tractor should not start either.
    Toughsox likes this.

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    Zebrafive's Avatar
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    11-08-2019 @ 09:41 AM
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    Also check the connector at the base of the fender. They get brittle with age. On my 2030 the connector fell apart and shorted out the lights.
    John Deere 2030 w/245SL Loader
    John Deere 6415 w/640SL Loader
    John Deere 285 50" deck Stolen May 2017
    John Deere x485 62" deck AWS
    Kawasaki Mule 2510 4x4 bought new 1996
    Ford F250 4x4 bought new 1978

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