Adding intermittent wipers to a CK4020SE (or any cab model)

   / Adding intermittent wipers to a CK4020SE (or any cab model) #21  
Thanks, nice clean install. Looks great
 
   / Adding intermittent wipers to a CK4020SE (or any cab model) #22  
OK so the "Long" time of the delay isn't as long as I thought, turns out I'm just impatient...

The minimum delay time is about 1/2 a second, and the max delay time is 40 seconds.

I've also decided I'm going to add a small momentary NO pushbutton for both front and rear wipers, which will work just like the "mist" function on most cars. For some reason I find it annoying to have to turn a switch on & off just to cycle the wipers one time.
 
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   / Adding intermittent wipers to a CK4020SE (or any cab model) #23  
The green/black wire on the back of the wiper switch plug is the one that triggers the wiper motor relay when connected to ground. The brown wire is +12v:

i-6XpR3NZ-L.jpg


Note that this tractor is a 2013 DK50se HST, your wire colors may be different. But it's easy to find - hook up a 12v test light with the clip end connected to ground, turn the key on, and test each terminal in the plug. When you touch the terminal that makes the wiper move, that's the one.
 
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   / Adding intermittent wipers to a CK4020SE (or any cab model) #24  
I used a 4 pin plug to connect the wiper delay board to make it easier to remove the side panel

i-7tpSbnN-M.jpg
 
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   / Adding intermittent wipers to a CK4020SE (or any cab model) #25  
I used the relay studs for the ground wire connections for the light bar and side lights, in case you're wondering what those are, but just wanted to share this photo to show which is the wiper relay and which is the aux lighting relay on this tractor:

i-qChMcXT-L.jpg
 
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