I burned up my pto clutch after a few years of dealing with the stupid reverse lockout. I wanted a solution that didn't involve bending stuff (which meant an electric solution), so I downloaded the schematic for my 2166 and the parts diagrams and went to work.
The parts diagrams show that the reverse switch on the 2166 (also on my neighbor's 2185) is normally closed - not open. This meant the solution was not as simple as cutting or removing a wire from the switch, which is pretty well buried anyway. Fortunately, looking over the schematic provided another relatively simple solution.
[1] Get a schematic. (this one is for the 2166) http://ihregistry.com/wiring/E24.pdf
[2]Disconnect the battery.
[3]Remove the connector from the back of the ignition switch. Mine took some wiggling and pulling, but I was able to do it by hand.
The terminals on my ignition switch are shaped like this:
(please ignore periods - ascii diagrams on bulletin boards are a pia.)
.*
X.*
*.*
X marks the terminal to use looking from side of the plug the wires go into.
[4]Locate the relay near the ignition switch. With the connector, it's black box maybe 1" long and 1/2" wide and 3/8" deep (roughly -I didn't measure). The relay connector has 5 terminals with 4 wires connected. The terminals on my relay are shaped like this:
..*
..*
***
[5]Run a jumper between the wire indicated as red (red and black on my switch) in the schematic connected to the ignition switch and the wire indicated as white on the schematic (white on my relay) connected to the the relay.)
[6]Reconnect the battery.
That's it. If you want to be able to re-enable the reverse PTO lockout (I don't), install a single pole single throw switch anywhere in the middle of that jumper to toggle reverse mowing on and off.
If pictures will help, maybe I can post some later.
Here's a better diagram than the ascii ones.
The parts diagrams show that the reverse switch on the 2166 (also on my neighbor's 2185) is normally closed - not open. This meant the solution was not as simple as cutting or removing a wire from the switch, which is pretty well buried anyway. Fortunately, looking over the schematic provided another relatively simple solution.
[1] Get a schematic. (this one is for the 2166) http://ihregistry.com/wiring/E24.pdf
[2]Disconnect the battery.
[3]Remove the connector from the back of the ignition switch. Mine took some wiggling and pulling, but I was able to do it by hand.
The terminals on my ignition switch are shaped like this:
(please ignore periods - ascii diagrams on bulletin boards are a pia.)
.*
X.*
*.*
X marks the terminal to use looking from side of the plug the wires go into.
[4]Locate the relay near the ignition switch. With the connector, it's black box maybe 1" long and 1/2" wide and 3/8" deep (roughly -I didn't measure). The relay connector has 5 terminals with 4 wires connected. The terminals on my relay are shaped like this:
..*
..*
***
[5]Run a jumper between the wire indicated as red (red and black on my switch) in the schematic connected to the ignition switch and the wire indicated as white on the schematic (white on my relay) connected to the the relay.)
[6]Reconnect the battery.
That's it. If you want to be able to re-enable the reverse PTO lockout (I don't), install a single pole single throw switch anywhere in the middle of that jumper to toggle reverse mowing on and off.
If pictures will help, maybe I can post some later.
Here's a better diagram than the ascii ones.
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