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Central, IN | So before I call the dealer hope someone can give me some insight. Have a 2004 JD 1790 on a 2002 8420FWA that the wires pulled out of the 7 pin on the planter side. I have tested the tractor and know the ground, + all the time, right/ left turn and tail. When I hook up the planter wires accordingly the flashers back feed into the brakes (flashes opposite of the warning lights)on the planter. Am hooking the brakes into what powers as the tail on the tractor. I can make the brake lights turn on by providing power when 7pin not plugged in. Will not get any back-feed from flashers unless tail wire is plugged in to 7 pin. Planter has 1 brown, black, green, yellow and 2 reds (one small one big).
I have brown down as tail
Yellow/green as turns/flashers
Reds as ground
Black as power.
I feel like the red should be power but from testing 90% sure it is ground for some reason. Like to figure out why keeps back feeding to brakes and I am sure its something simple I am missing. it worked before it all got pulled out. | |
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JD 1790 Wiring Problem on lights
