Posted 4/7/2026 06:55 (#11609675 - in reply to #11609414) Subject: RE: JD 1790 Wiring Problem on lights
Near Intersection of I-35 & I-90 Southern Mn.
Not sure on your 8420. I have both an 8120 and an 8310R. I know on the 8310R that if the operator touches the brake for any reason, the brake lights on the tractor come on. I'm not certain on my 8120 if they do or do not.
JD 1790 Wiring Problem on lights
