After market fan wiring Cancel The title field is required!

1. Lee Wagner

   

   0 posts
   
   3/6/2017 10:03 AM

   We are adding a 12 volt fan to our 2012 Toro 328D. So far we are unable to get it wired up without blowing fuses. We are going from the battery to a 25 amp fuse to a switch to the hot wire on the fan. The ground goes to the frame of the tractor. Should work but does not. We need tips on wiring so we don't burn up the system.

   
   
   
   
2. Bob Pruneau

   

   5 posts
   
   3/6/2017 1:03 PM

   Switch good . Will it blow the fuse if you just touch the wires together bypassing switch

   
   
   
   
3. James Smith

   

   113 posts
   
   3/7/2017 7:03 AM

   you should be using a relay to turn the fan on and off. there pretty simple to install and what they do is act as an on and off switch for the full power load. your switch is connected to the relay so it uses minimum power (amps) to turn the relay on and off. the relay has the main load connected to it and works as a heavy duty switch. the main issue is when you want the fan to come on and off. by using a switch it seems like you want it to run all the time. I would rather hook it up the the key switch with the relay in line this way when you flip the key on it comes on. the next problem you will see is that the fan is shut down when you turn the key off which will make the engine stay hot until it gradually cools off. our Cushman has a temp switch which allows the fan to continue to run until it gets to a certain temperature. We added a second fan to our cushman to help cool it off but only wired it to the key since the stock fan ran off of a temp switch.
   
   What you are wanting to do can be done, but it takes a little forethought on exactly what your needs are. We took off the stock fan from one of our 328 groundsmaster and installed a electric fan to run it. we wired it up to the ignition switch and had no issues. on hot days we could idle the machine to allow it time to cool down some before shutting it off.

   
   
   
   
4. Roland McPhearson

   

   9 posts
   
   3/9/2017 10:03 AM

   I'm thinking your wires might be too small. Fatter/shorter wires will draw less current.

   
   
   
   
5. Wade Borthwick

   

   0 posts
   
   3/9/2017 2:03 PM

   Can you physically turn the fan, no restrictions?
   Is it a 12VDC fan or does it have multiple wires for speed control or a higher voltage requirement?
   If it is a brushless motor it might need a controller?
   
   Good luck, let us know what it was.
   
   Wade

   
   
   
   
6. Lee Wagner

   

   0 posts
   
   3/13/2017 8:03 AM

   Thanks guys! it was just a bad ground. Fan worked fine when hooked to a spare battery, but our wiring on the machine was not right. We got a proper ground and all works fine. I just want to add that the info on the shop forum is great and really a big help Thanks again to all.