Proper set up of JD plabter population monitor

Reid1650

Member
I got a very nice jd 7000 planter last yr 6rn. It has the black jd population monitor. Can anybody tell me how to properly set it up and use it? I basically planted without a monitor last yr and would like to use the monitor properly this year. Thanks guys
 
No setup to it really.

Hook it up to 12 volt power from the tractor, plug it into the sensors on the planter and go.

If it isn't working it is most likly the sensors on the planter that are bad.

What's it doing or not doing?

Gary
 
I'm not familiar with it, but wondering if it really has a population feature?
Does it have more than just the lights to tell you it's planting?
 
it sounds like my problem. my monitor is a computrac 100. I also planted last year without it but still can't get it to work. I sent the monitor to the dealer and they said it was good. On mine all of the lights stay on all the time. I guess I will try and buy a book.
 
First get a bottle brush and clean the seed tubes well. Check to see if the sensors are lit up in there, you'll see 2 red dots when they are working. If that doesn't work clean the contacts where it hooks up from the planter to the tractor. Also use some good quality contact grease. The connections get a little crappy and things don't work right. Clean them up and you should be in good shape.
 
I have a suspicion you have a monitor that just watches the seed drop, not population. For a population monitor you have to connect it to a radar or better yet, a GPS speed sensor. My Deere 7000 6 row had a monitor that only told me if the seeds were dropping. There was no alarm, just lights. Like the other guys said, clean sensor eyes and electrical connections is very important. After awhile, the eyes on the sensors become clouded and the sensor has to be replaced, unless someone knows how to polish the scratches out of them. There are three wires and I'm trying to remember the colors, but I think it's red, black and green. Red is power, black is ground and green is the sensing wire. I'm pretty sure about the color coding but I might be wrong. On a six row, there are 18 connections back there so there are 18 chances for a bad connection. The rectangular plug that connects the planter harness to the monitor harness usually doesn't give trouble but it doesn't hurt to clean those terminals too. It's pretty simple and basic once you become familiar with it. Jim
 
Jim you are right. They are just a drop moniter,they call them pop. moniter but they are not very accurate. Driving in little breeze,dusty and the sun just right will get dust up the tubes and cause false readings on different rows.
 
Good advice from others- just hook up the wires to the battery and it should work. POS and neg sensitive. JD had at least 3 basic monitors.......some just tell you if it"s planting, others do avg population, or pop by row. Monitor has its own OP manual. For cleaning the sensors, I taped a tooth brush to a small pipe, and reach down into the seed tube to brush it clean. I also look for the two red eyes in the tube. The alarm always bothers me....don"t need the noise....so I stuff duct seal into the alarm, or cover it with tape. Lights right in front of me...what more do I need? Do believe the monitor- with 3 7000s since 1976- they have never been wrong! Once, I didn"t believe the monitor....I was wrong! I"d rather plant at night with a 7000 with monitor than plant in daytime without one.
 
Mine has a Himiker monitor on it, speed wheel, reads out pop, or seed per foot, or acres, or speed. Nice unit.

The negatives of mine is: It's so sensitive it will count the seed dust, before it less me a unit is out of seed, it will get populations of 200,000 per acre as it counts the dust going down the tube....

And, they stopped making it or parts for it 25 years ago. So if something other than a cable goes bad, it's done for. Getting some bad connections, not really worth pyutting muvch into it for repairs.

--->Paul
 
Dad just bought a 7000 with the simple seed monitor. The instructions are printed right on top of the box. It's pretty simple:

IIRC you turn the knob all the way one way (counter-clockwise?), then start planting at a constant speed. Turn the knob the other way until the lights go out, then turn it back one or two notches.
 

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