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Offline davidpaul

Thermo switch override
« on: February 23, 2017, 02:43:28 PM »
I've fitted a thermo switch override rocker switch today and I can't get the little led light that shows when the switch is in the on position to work, the other led which come's one with the lights is working. I have wired it as the picture shows
2015 Zforce 800, Dr Pulley weights and sliders, Dobeck EJK, Innovate Motorsports AFR gauge,
Custom exhaust outlet, Ramair foam air filter, Led light bars, Modified air intake, CRD a-arm guards

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Offline NMKawierider

Re: Thermo switch override
« Reply #1 on: February 23, 2017, 03:33:33 PM »
I'll see if I can find an example but I find several out there that contradict each other. My diagram on the override switch will work except I don't use the upper LED so the post isn't used. I thought it was power for the upper LED and needed a jumper from the load post and with the one in the dash working I didn't use it. But I see on some diagrams that is a ground for the "ON" or upper LED and is jumpered to the lower LED ground next to it. Confusing....wish they would get their act together. I'll keep looking.
« Last Edit: February 23, 2017, 03:52:47 PM by NMKawierider »
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline NMKawierider

Re: Thermo switch override
« Reply #2 on: February 23, 2017, 04:03:14 PM »
OK so for a 5-pole two-way switch you are exactly right. The upper left is ground for the "ON" LED and the upper right is the ground for the dash LED. Most people jumper those together (7 & 8) but they can be separate grounds. If the "ON" LED doesn't work, it may just..not work. I had several that didn't. Here's the diagram:

« Last Edit: February 23, 2017, 04:06:11 PM by NMKawierider »
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline davidpaul

Re: Thermo switch override
« Reply #3 on: February 23, 2017, 04:07:48 PM »
Ok thanks, I have spliced my wire into the thermo switch cable at the radiator end, the wire with power is connected to terminal 2 and the other terminals 3, if I disconnect the wire on terminal 3 the led's work as they should but the fan won't run reconnect it and the fan runs but no led
2015 Zforce 800, Dr Pulley weights and sliders, Dobeck EJK, Innovate Motorsports AFR gauge,
Custom exhaust outlet, Ramair foam air filter, Led light bars, Modified air intake, CRD a-arm guards

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Offline NMKawierider

Re: Thermo switch override
« Reply #4 on: February 23, 2017, 05:05:24 PM »
Ok mine didn't work either, and now I have a real answer for you. I went out and took mine apart and tested things. I found that although just sitting there with the key on there is 12v power on the #2 post or line, when you snap it on, it drops below a decimal point which means there isn't enough to run the LED. That's why on mine I jumpered to the #6 post from the #2 post and I have lower light as long as the switch is off, but "on" it goes off and no upper light.

I then jumped from the brown dash lights on another switch to the #6 post and.. on or off the lower LED works. I then pulled the lead off the #3 post and slipped on the dash light and the upper LED comes on.

SO...this is what must be happening. Power for the coil on the fan's relay must go through the coil then to the thermoswitch which when closed just provides the ground for the relay coil. We just can't put any more load on that outgoing line as the coil just won't allow any more load to be pulled through it.. to even run LEDs. And I am thinking I don't want the lower LED to be pulling power through the coil because it might cause it to burn out or even be slightly engaged so I am going to run a separate dash power from another switch to the #6 post and unhook the ground from the #8 post and just not worry about and upper light. I don't want to stress the relay or it's coil in any way. Make sense?

I'm glad we discovered this because it could have been a problem for us...and others down the road...or trail. The last thing I need a hundred miles from nowhere is to have a relay fail...because of something I did...and they are a bitch to get to....lol
« Last Edit: February 23, 2017, 05:12:17 PM by NMKawierider »
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline gfmoto

Re: Thermo switch override
« Reply #5 on: February 23, 2017, 07:35:28 PM »
As long as it turns my fan on. Lol
2015 ZForce 800EX
32" light bar
2-4" spots
Custom Cv guards
DIY 1/2 windshield
UNI air filter
DIY rear window
BOSS ATV 28. 450W speakers
Alpena Rock Lights (tough pods)
2" RZR Bracket lift
Roof extensions
27" Maxxis Corranado Tires
Alpena RGB rock lights
SuperATV Rocksliders
1/2 Doors w/custom paint and graphics

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Offline NMKawierider

Re: Thermo switch override
« Reply #6 on: February 23, 2017, 07:43:23 PM »
As long as it turns my fan on. Lol
Yeah...that's it exactly...be there when I need it! I checked the wiring diagram and that's what it does so...it's best not to power the LEDs from that wire.
2015 Z Force 800 (53") EPS -
Custom Air Intakes | Custom Exhaust Mod | SuperATV Harness | Custom Fenders | Custom Skid/Rock Sliders | 27" GBC Grim Reapers | Seizmik Mirrors |Конструктор (Rodin's) Doors | Dr Pulley Sliders | 1.5" Wheel Spacers | BENZ Silencer (as needed) | SATV Flip Windshield W\ Rear Shield | Dual Light Bars | Diamond Plate Storage | 9.7" GPS | Bandit Springs Rear & Gen-3 Shocks Front

My Videos On YouTube

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Offline Wheels

Re: Thermo switch override
« Reply #7 on: February 23, 2017, 07:55:12 PM »
Override switch on every unit that comes to my shop.
If it has Pistons or Tits you will encounter problems.

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Offline davidpaul

Re: Thermo switch override
« Reply #8 on: February 24, 2017, 03:22:55 AM »
Ok mine didn't work either, and now I have a real answer for you. I went out and took mine apart and tested things. I found that although just sitting there with the key on there is 12v power on the #2 post or line, when you snap it on, it drops below a decimal point which means there isn't enough to run the LED. That's why on mine I jumpered to the #6 post from the #2 post and I have lower light as long as the switch is off, but "on" it goes off and no upper light.

I then jumped from the brown dash lights on another switch to the #6 post and.. on or off the lower LED works. I then pulled the lead off the #3 post and slipped on the dash light and the upper LED comes on.

SO...this is what must be happening. Power for the coil on the fan's relay must go through the coil then to the thermoswitch which when closed just provides the ground for the relay coil. We just can't put any more load on that outgoing line as the coil just won't allow any more load to be pulled through it.. to even run LEDs. And I am thinking I don't want the lower LED to be pulling power through the coil because it might cause it to burn out or even be slightly engaged so I am going to run a separate dash power from another switch to the #6 post and unhook the ground from the #8 post and just not worry about and upper light. I don't want to stress the relay or it's coil in any way. Make sense?

I'm glad we discovered this because it could have been a problem for us...and others down the road...or trail. The last thing I need a hundred miles from nowhere is to have a relay fail...because of something I did...and they are a bitch to get to....lol

Great thank you, my meter gave up a few weeks ago so I didn't have one to use, I have  run a power line for the other led from the light switch and I'm going to disconnect the earth from the second led.  I think what was troubling me is I could not work why it wouldn't work. Thanks again
2015 Zforce 800, Dr Pulley weights and sliders, Dobeck EJK, Innovate Motorsports AFR gauge,
Custom exhaust outlet, Ramair foam air filter, Led light bars, Modified air intake, CRD a-arm guards