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Carl Myrtle Point 
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Joined: 01 Dec 2020
Location: Myrtle Point, o
Points: 32
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 Topic: 6060 Circuit Board Assembly Failure
Posted: 20 Jan 2021 at 12:57am |
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None of lights (alternator, turn signals, eng. oil. pressure, hand brake, brake oil level, PTO disengaged, air filter) work on the Circuit Board Assembly. Before I try to track down this part #0258677-4 in hopes that this fixes the problem, I was wondering if anyone had any experience with this problem and any luck fixing it. Thanks in advance. Carl
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 21445
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Posted: 20 Jan 2021 at 5:27am |
wild guess.... is there a separate fuse that powers that board of lights ?? have you a wiring diagram ??
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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DrAllis
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Joined: 12 Sep 2009
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Posted: 20 Jan 2021 at 7:14am |
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Well, there's 6 or 8 light bulbs behind that face screen. Maybe your bulbs are burned out.
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MACK
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Joined: 17 Nov 2009
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Posted: 20 Jan 2021 at 7:53am |
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sounds like you may not have current or a ground to board. Usually when one goes bad, it is one light. MACk
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Alvin M
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Joined: 24 Jun 2018
Location: PA
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Posted: 20 Jan 2021 at 8:37am |
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Pull wire connecter on circuit board check wire ends they can be replaced
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Carl Myrtle Point
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Posted: 20 Jan 2021 at 8:39pm |
Thanks, I appreciate your suggestion. carl
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Carl Myrtle Point
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Posted: 20 Jan 2021 at 10:54pm |
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Thanks for your reply. Right up front, wiring/ electrical is not my strong suit. Looking at the wiring diagram it does not appear that the assembly has a separate fuse. Both the tach/hour meter and the fuel/water temp gauges work. It does show a diode behind the dash that may have failed. Attached to the wiring harness connector that goes into the circuit board assembly there is a wire called "TERMINAL, P.C. connector (to replace broken terminals in the panel-to-harness circuit board connector)". I take it from that they anticipate that something may need to be replaced someday! Thanks again - carl
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Carl Myrtle Point
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Posted: 20 Jan 2021 at 11:14pm |
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Thanks Mack, Right up front, wiring/ electrical is not my
strong suit. Both the tach/hour meter and the
fuel/water temp gauges work. It does show a diode behind the dash that
may have failed. Attached to the wiring harness connector that goes into
the circuit board assembly there is a wire called "TERMINAL, P.C.
connector (to replace broken terminals in the panel-to-harness circuit
board connector)". I'll have to track down the wires going into circuit board assembly and see as you suggested I am not grounded or have no power going in. thanks again - carl
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Carl Myrtle Point
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Location: Myrtle Point, o
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Posted: 20 Jan 2021 at 11:25pm |
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Thanks Doc, it did not occur to me that it might be that simple since none of them work but you may be right. As you can probably tell wiring/ electrical is not my
strong suit. I'll have buy a box of bulbs. Both the tach/hour meter and the
fuel/water temp gauges work. It does show a diode behind the dash that
may have failed. Attached to the wiring harness connector that goes into
the circuit board assembly there is a wire called "TERMINAL, P.C.
connector (to replace broken terminals in the panel-to-harness circuit
board connector)". That tells me that the engineers anticipated some sort of failure sooner or later. thanks again - carl
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LB0442
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Joined: 27 Dec 2014
Location: Boise ID
Points: 767
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Posted: 21 Jan 2021 at 3:24am |
This is the wiring diagram I have. You can copy it to your computer and blow it up better. It shows it gets power from the fuel/temp gauge so if that is working check to see if the red wire is in good shape from there to the connector on the board. I use a simple test light to check these. Looks like the ground for it goes over to the fuel/temp also. When you take the top panel off of the dash it is fairly easy access.
Do the easy stuff first like bulbs/connections, good recommendations here.
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Carl Myrtle Point
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Posted: 23 Jan 2021 at 1:12am |
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Thanks for all the good information. It downloaded and printed just fine. I'm looking forward to working on it. My current project is transferring a 460 loader from a 6080 to my 6060. Then I am going to sell the 6080. This area in SW Coastal Oregon is not big Allis Chalmers country so we will see how long it takes. Again I really appreciate all the time you took to share this information. carl
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