John Deere Service & Repair Forum

Could you please provide details on troubleshooting and repairing a John Deere RE66821 7AT6JD01 Analog Tachometer? My client is experiencing issues with it. Thank you.

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— Posted by hejl on 2011-08-15

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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 327 Comments

#John Deere by annmarie on 2014-11-01 01:57
Are you able to repair the John Deere RE64583 7SUD5JD04 motor control unit, or do you have a replacement available for sale? It's urgent to keep production running.

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#John Deere by Parand on 2015-06-22 18:12
Hello, I am reaching out on behalf of my client who has a John Deere RE66265 Digital Tachometer with the following issue 7MRT8JDO1E. Can you please provide more information or assistance with this part? Thank you.

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#John Deere by Paulo Da Silva on 2013-05-23 14:58
The John Deere Bale Trak Plus RE159944 Bale Monitor is not working in the shop.

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#John Deere by Ron Geiser on 2013-08-15 10:32
Could you please confirm if the John Deere RE64583 7SUD5JD04 SCV Setup panel is still supported or if replacement parts are available for it? Thank you.

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#John Deere by Sean Liang on 2013-11-17 02:30
The SCV Setup panel on the John Deere RE64583 7SUD5JD04 unit is not working properly.

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#John Deere by TT on 2014-04-03 16:29
The John Deere RE43902 7MRT2JD02 Controller is malfunctioning, causing a halt in production. Urgent repair is needed to get the line running smoothly again.

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#John Deere by ATIF ALI on 2013-08-15 07:01
The SCV setup Panel on John Deere RE63440 7SUD4JD03 is malfunctioning, affecting the line's productivity. Urgent repair service is needed to resolve the issue

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#John Deere by LIM WEI SIANG on 2013-04-12 08:15
The John Deere Bale Trak Plus RE159944, which I believe is a Bale Monitor, seems to have stopped working. I'm not clear on the specifics of its functions, but it appears there is an issue that needs attention.

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#John Deere by audrey on 2014-12-28 13:06
John Deere RE43902 7MRT2JD02 controller not powering on.

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#John Deere by Su on 2013-12-12 20:58
John Deere RE63440 7SUD4JD03 SCV setup Panel unit went down mid-shift. Needs attention ASAP.

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#John Deere by Kendra on 2014-07-29 05:24
RE43902 7MRT2JD02 showing error code 2143 Controller malfunction. Governor signal not received.

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#John Deere by Bernd on 2011-11-15 16:47
I'm sorry to hear about the issue with your John Deere RE66821 7AT6JD01 Analog Tachometer. It seems like something may have stopped working properly. I recommend reaching out to a technician for a detailed evaluation.

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#John Deere by mohit on 2013-10-22 16:18
SCV Setup panel displaying error code E023.

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#John Deere by JiaJun Huo on 2015-03-31 08:04
Please provide an update on the status of my John Deere RE46704 7AT2JD01 with the issue of the Tach Display not turning on when cold. This problem needs immediate attention in order to get the unit back up and running. Your

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#John Deere by Randy Ridgaway on 2014-01-03 09:07
Can the John Deere RE64583 7SUD3JD01 SCV Setup panel be repaired or replaced? I'm trying to check this off my to-do list.

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#John Deere by Don Crawford on 2015-08-14 23:20
Hello, I need repair info for the John Deere RE66265 7MRT8JDO1E Digital Tachometer. It stopped working and we need a replacement. Please send details ASAP. Thank you!

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#John Deere by DARLENE CARTER on 2013-09-12 07:28
I need repair info for a John Deere RE64583 SCV Setup panel. Can you assist with this inquiry? Thank you.

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#John Deere by FARHAT on 2013-04-12 00:15
Hello, I am inquiring about the John Deere RE64583 7SUD5JD04 SCV Setup panel. Is this unit still supported, and are replacement parts available for it? Thank you.

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#John Deere by Dittrick on 2015-12-29 09:36
Can the John Deere RE64583 7SUD3JD01 SCV Setup Panel be repaired or bought to fix the issue you are experiencing? I'm trying to address this on my to-do list.

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#John Deere by Brenda Forrester on 2010-10-20 04:24
I've noticed that the digital display on the John Deere Motorola RE64583 seems to have stopped working. The machine is experiencing some issues, and I'm not exactly sure what it does, but I wanted to bring it to your attention. Thank you for looking into this matter.

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#John Deere by Cesar Mendez on 2016-06-01 17:22
The John Deere RE66221 7EHH6JD01 electronic hitch is showing error code E306. Equipment not lifting as programmed. Need immediate assistance troubleshooting and resolving the issue to minimize downtime.

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#John Deere by Rita McCrory on 2015-07-11 15:20
Can the John Deere RE46704 7AT2JD01 Tach Display be repaired or replaced? Trying to check this off my to-do list.

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#John Deere by Amanda Waters on 2013-07-06 00:09
The John Deere RE63440 7SUD4JD03 SCV setup panel is not functioning as expected. It seems to be acting unusual and not performing its usual functions.

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#John Deere by Lee Wei How (Wellson) on 2013-02-22 10:13
Please provide me with more information about the pricing and availability of the John Deere RE64583 7SUD5JD04 SCV Setup panel. I am interested in sourcing one quickly. Thank you.

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#John Deere by James Cowart on 2013-02-11 00:39
I'm experiencing an issue with the SCV setup panel on the John Deere RE64583 7SUD5JD04. It seems like something has stopped working, and I'm not completely sure what the problem is. I'll need some help figuring this out.

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#John Deere by Michael Groll on 2025-06-03 19:00
I can definitely help you with that. I'll reach out to inquire about the support and availability of parts for the John Deere RE218346 controller.

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#John Deere by JR TECHNO PRODUCTS on 2015-08-07 20:20
Tach display on RE46704 not working when cold, likely due to a failed drive or board. Need to address this issue with troubleshooting.

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#John Deere by darren kotzur on 2011-06-07 19:38
Can the John Deere RE66821 7AT6JD01 Analog Tachometer be repaired or purchased to resolve the issue? Checking this off my to-do list.

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#John Deere by claudia on 2014-12-16 15:44
Please advise if the John Deere RE43902 7MRT2JD02 controller is still supported or if replacement parts are available for this unit. Thank you.

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#John Deere by larry palmer on 2025-06-08 07:22
Do you have a John Deere RE218346 controller available for sale or for repair? Need it urgently to keep production running.

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#John Deere by Stan Novak on 2015-04-23 20:05
Can the John Deere RE65483 7SUD5JD04 SCV Setup Panel be repaired or replaced? I'm trying to check this off my to-do list.

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#John Deere by VIVEK AGARWAL on 2021-06-21 00:00
Experiencing issues with the Cluster Gauge Assembly on my John Deere AL77111E. Need a repair technician to address the malfunction.

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#John Deere by Caps on 2016-11-22 14:01
Drive or board failure on John Deere RE66264 7MRT6JD01 digital tachometer. Need to troubleshoot and replace to get it back up and running.

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#John Deere by ilbay on 2014-11-01 20:57
Experiencing issues with my John Deere RE43902 7MRT2JD02 controller, not functioning properly. Looking for a skilled technician to diagnose and repair as soon as possible.

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#John Deere by Dan Arrington on 2014-10-31 23:57
Hi there, could you please provide repair info for a John Deere RE64583 7SUD5JD04 motor control? It stopped working and we need to find a replacement. Thanks!

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#John Deere by Allen Lamm on 2014-05-06 11:20
We experienced unexpected downtime on the John Deere RE64583 7SUD5JD04 due to issues with the motor control. The incident occurred during the night shift yesterday. Please provide urgent feedback before the next shift begins.

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#John Deere by Gastón Godoy L. on 2013-08-22 14:32
The John Deere Bale Trak Plus RE159944 unit in the warehouse is displaying unusual behavior.

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#John Deere by Pennington on 2015-07-09 18:21
Can the John Deere RE49192 Tachometer be repaired or purchased? I'm looking to check this off my to-do list.

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#John Deere by VIJAY PATEL on 2015-07-23 11:43
The John Deere RE66265 7MRT8JDO1E Digital Tachometer is displaying abnormal behavior - it is not functioning as expected.

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#John Deere by Hemal Shah on 2016-06-17 18:28
The John Deere RE172237 7VMU0JD01 Vehicle Monitor is failing to display critical data, causing delays and disruptions in our production line. Immediate repair service is urgently needed to prevent further downtime.

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#John Deere by Anand Palkar on 2014-12-19 05:44
Hi, our John Deere RE43902 7MRT2JD02 is down and displaying error code E102. Need urgent assistance to diagnose and fix the issue. Please advise on next steps. Thank you.

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#John Deere by Swanepoel on 2011-04-11 19:20
The John Deere RE66821 7AT6JD01 analog tachometer unit is not working.

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#John Deere by p.srinivasu on 2015-07-29 10:20
Can you please provide information on whether the John Deere AT320355 AT320694 CAN Monitor Unit is still supported or if replacement parts are available? Thank you.

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#John Deere by Secor on 2013-08-12 03:32
I'm sorry to hear about the issue with your John Deere RE64583 7SUD5JD04. It seems like there might be a problem with the SCV setup panel. I recommend contacting a technician for a detailed inspection and repair.

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#John Deere by Ferguson on 2013-02-10 16:39
The John Deere RE63440 7SUD4JD03 is the SCV setup Panel, but I am still learning about its function. I will pass along this information to the maintenance team for further assessment.

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#John Deere by Fred Coster on 2013-04-28 13:18
The John Deere RE64583 7SUD5JD04 is not functioning properly. Please check the SCV Setup panel.

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#John Deere by Matthew Wise on 2015-08-07 09:20
Do you have a replacement John Deere RE66265 7MRT8JDO1E Digital Tachometer available for sale or repair? Our production is down, and we need to get back up and running quickly. Thank you.

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#John Deere by Derrick Taylor on 2014-12-24 12:06
I'm sorry to hear that your John Deere RE43902 7MRT2JD02 controller is no longer functioning properly. It seems like there might be an issue with its operation. I recommend reaching out to a technician for a closer look and assessment.

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#John Deere by TOO on 2013-07-01 14:47
The John Deere RE64583 SCV Setup panel unit is displaying unusual behavior. The panel is not functioning as expected and is acting strangely.

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#John Deere by barry lee on 2015-08-13 15:20
The John Deere RE49192 7THM2JD03 tachometer is displaying erratic readings.

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