Ignition Switch Deere 110TLB

   / Ignition Switch Deere 110TLB #1  

mtputney

Bronze Member
Joined
Dec 27, 2013
Messages
74
Location
Vermont
Tractor
Deere 110TLB
Ignition Key Switch Deere 110TLB

Does anyone have experience with changing the ignition switch on a Deere 110TLB? Our key is requiring giggling some time to start the machine. How hard is it to change this? Does anyone know the Deere part number?

Thanks in advance for any advice.
 
   / Ignition Switch Deere 110TLB #2  
Try part number RE61717. I suggest you talk to your dealer. They can guide you better.
 
   / Ignition Switch Deere 110TLB #3  
From www.jdparts.com

110tlb.gif


Control Console And Switches
Cart key PART NO. PART NAME QTY SERIAL NO. REMARKS

1 LVU11990 Cover 1
2 M135748 Nut 4
3 37M7181 Screw 8
4 LVA14375 Instrument Cluster 1 (WITH LVA10960 HARNESS ALSO ORDER LVA12505) (WITH LVA12530OR LVA13010 DO NOT ORDER LVA1 2505)(SUB FOR LVA10945, LVA12576 OR LVA12811 )
LVA12505 Wiring Harness 1 (DIAGNOSTIC INDICATOR LIGHT) ( USE WITH LVA12576 AND LVA10960
5 24M7138 Washer 2 311000 - 5.300 X 15 X 1 mm
6 LVU11991 Bezel 1
7 21M7327 Screw 4 M6 X 35
8 R111632 Knob 1 HEADLIGHT SWITCH
9 R44165 Lock Nut 1 HEADLIGHT SWITCH
Cart key PART NO. PART NAME QTY SERIAL NO. REMARKS
10 LVA12403 Toggle/Rocker Switch 1 CREEPER (INCHING DIRECTION SWITCH)
11 AM118802 Switch 1 PTO
12 RE183935 Key 1 IGNITION
13 R44342 Nut 1 IGNITION SWITCH
14 RE61717 Rotary Switch 1 IGNITION
15 AM124875 Switch 1 HEADLIGHT
16 M134145 Knob 1 TURN SIGNAL
17 R56410 Nut 1 19.050 mm TURN SIGNAL
18 12H233 Lock Washer 1 1/8"
19 21H1372 Screw 1 1/8" X 3/8"
Cart key PART NO. PART NAME QTY SERIAL NO. REMARKS
20 AR64422 Turn Signal Controller 1
21 21M7310 Screw 8 M6 X 25
22 24M7054 Washer 2 6.400 X 12 X 1.600 mm
23 14M7397 Lock Nut 8 M6
24 LVU12811 Cover 1
25 LVU12861 Pad 1
26 LVU11119 Armrest Console 1
27 LVA11109 Lever 1 PIOTENTIOMETER
28 LVU12864 Extension Spring 1
29 A4365R O-Ring 1
Cart key PART NO. PART NAME QTY SERIAL NO. REMARKS
30 19M8834 Cap Screw 2 M5 X 45
31 R86457 Support 1 PIOTENTIOMETER
32 LVU12003 Bracket 1 PIOTENTIOMETER
33 34M7031 Spring Pin 2 5 X 24 mm
34 R72653 Snap Ring 1
35 P48347 O-Ring 2
36 RE261355 Sensor 1 - 310999 PIOTENTIOMETER, (SUB FOR RE30295)
LVA13773 Sensor 1 311000 - POTENTIOMETER (85 DEGR EE), (SUB FOR LVA13514)
37 14M7265 Lock Nut 4 M5
38 19M7373 Cap Screw 2 M5 X 20
 
   / Ignition Switch Deere 110TLB #4  
I have a PDF of the Deere technical manual you are welcome to. If you want to shoot me your email.

Joe
 
   / Ignition Switch Deere 110TLB
  • Thread Starter
#5  
We are going to take a crack at this...has anyone removed the armrest console? The rear bolt is covered in the wheel well by some type of duct - so I'm not sure how to get to that...
 
   / Ignition Switch Deere 110TLB #6  
My 2 cents.
Spray some WD40 into the key slot and jiggle the key a few times.
I am willing to bet a cool one that your problem will be cured.
Nothing to lose.

They use a lubricant that tends to dry and harden thus preventing good contact.
WD40 dissolves that lube and returns it to spec and will not cause any corrosion.

WD40 is non corrosive so U have no concerns.
 
   / Ignition Switch Deere 110TLB #7  
Yes, try what PILOON suggested, or you can get some electronic contact cleaner in a spray can.
 
   / Ignition Switch Deere 110TLB
  • Thread Starter
#8  
Sprayed in some WD-40. Then when we tried to turn on the tractor we had lost all power to everything.

So we took the key switch out (quite a task as some of the console screws are not accessible…and others were corroded) and tested its continuity. Everything checks out as per the shop manual.

So now I'm stumped. It's as if the key switch isn't getting any power or has no ground.

Any thoughts?

Thanks.
 
   / Ignition Switch Deere 110TLB #9  
Do check the battery ground at the frame.

Did you try and jump any of the switch points to see if things like lights worked?
 
   / Ignition Switch Deere 110TLB #10  
My next test would be safety switches, (seat, PTO etc)*
By passing or disabling to prove out the circuits. (most I have seen are open circuit so shorting the contacts complete the circuit)
Generally they are a delicate microswitch that corrosion just loves to mess up. Any snow contractor I know has disabled them a long time ago.

Next very common cause is grounds. They need to be clean metal to metal in order to make good contact.
(starter ground is bolts that attach the starter)
Nice clean battery post contacts?

* on my tractor pulling a connector on a safety switch is my poor mans theft deterrent.(open circuit=no go)
 
 
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