Bypassing speedo for 4x4 - Polaris RZR Forum - RZR Forums.net
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post #1 of 13 Old May 12th, 2019, 10:13 AM Thread Starter
 
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Bypassing speedo for 4x4

I know this has bound to have been asked at some point, but damn if I can find the answer.

The 4x4 on my 08 stopped working the other week. It was working fine, turned off the switch for awhile (didn't need 4x4), but when I turned it back on, I had nothing. No indicator on the dash, and no light on the dash switch. All the gear indicators are present on the dash, no blown fuses, and as far as I can tell, there's no broken wires.

Anyway, can I just put a toggle switch in and wire it straight to the diff ?

I'd prefer to have it fixed like it should be, but for now, I need it to work until I have time to start ripping out the wiring harness.

08 RZR 800- SATV +6 High Clearance LT kit, Rhino axles, 900 XP shocks, 900XP front bearing carriers, dual core radiator, QSC clutch, 30" Carnivores/STI HD6 wheels, 3500lb Polaris winch, LED headlights, 30" lightbar, 7" LED driving lights, EMP 1/2 windshield, Air box relocation w/ custom snorkels, SATV EPS, CycleWorx 65amp VR, BoeschBuilt parking brake, dual Venom whips

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post #2 of 13 Old May 12th, 2019, 12:20 PM
 
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Re: Bypassing speedo for 4x4

Technically yes you can run a toggle to the front diff by-passing the computer rpm safety overrides. What you should do first is see if you have voltage at the diff. The awd switch controls a ground, not a 12v source. So it could be a bad ground or a bad 12v wire. Also I think the computer wont let the diff engage above 3000rpm to start with, only after the rpm has falling below 3000 will the computer send the signal( again I believe it a ground signal) to the front diff.
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post #3 of 13 Old May 12th, 2019, 12:31 PM
 
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Re: Bypassing speedo for 4x4

Not sure if the wire colors will be the same, but kn the 2011 wire schematics it shows a Red wire with dark green trace as the hot 12v wire going into the front diff. The brown wire with white trace should be the ground going into the fromt diff. As I said I think the ground is the switched wire though. So my thinking is if the key is on the red should have no less than 11v, if it has less then there's your problem.
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post #4 of 13 Old May 12th, 2019, 12:37 PM Thread Starter
 
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Re: Bypassing speedo for 4x4

Quote:
Originally Posted by Clothier View Post
Technically yes you can run a toggle to the front diff by-passing the computer rpm safety overrides. What you should do first is see if you have voltage at the diff. The awd switch controls a ground, not a 12v source. So it could be a bad ground or a bad 12v wire. Also I think the computer wont let the diff engage above 3000rpm to start with, only after the rpm has falling below 3000 will the computer send the signal( again I believe it a ground signal) to the front diff.
Thanks, brother. I'm not worried about the RPM safety issue. I'm usually pretty in tune with my machine, and don't do crap like that anyway. I just wanted to make sure it was really as easy as it seemed.

08 RZR 800- SATV +6 High Clearance LT kit, Rhino axles, 900 XP shocks, 900XP front bearing carriers, dual core radiator, QSC clutch, 30" Carnivores/STI HD6 wheels, 3500lb Polaris winch, LED headlights, 30" lightbar, 7" LED driving lights, EMP 1/2 windshield, Air box relocation w/ custom snorkels, SATV EPS, CycleWorx 65amp VR, BoeschBuilt parking brake, dual Venom whips

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post #5 of 13 Old May 12th, 2019, 12:42 PM
 
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Re: Bypassing speedo for 4x4

Quote:
Originally Posted by tekrsq View Post
Quote:
Originally Posted by Clothier View Post
Technically yes you can run a toggle to the front diff by-passing the computer rpm safety overrides. What you should do first is see if you have voltage at the diff. The awd switch controls a ground, not a 12v source. So it could be a bad ground or a bad 12v wire. Also I think the computer wont let the diff engage above 3000rpm to start with, only after the rpm has falling below 3000 will the computer send the signal( again I believe it a ground signal) to the front diff.
Thanks, brother. I'm not worried about the RPM safety issue. I'm usually pretty in tune with my machine, and don't do crap like that anyway. I just wanted to make sure it was really as easy as it seemed.
Yes it should be that simple honestly.
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post #6 of 13 Old May 26th, 2019, 04:12 PM Thread Starter
 
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Re: Bypassing speedo for 4x4

Well, finally got a chance to do some serious troubleshooting. Screwed around with it for 3 hrs, just to find out I have a bad switch...lol.

I wish I knew how to make a standard Carling switch work with the stock wiring. I don't mind moving the wires around in the plug, I just don't know what needs to be moved. Either way, I got another stock switch coming, so at least it will work.

Thanks for all the help !!!!!

08 RZR 800- SATV +6 High Clearance LT kit, Rhino axles, 900 XP shocks, 900XP front bearing carriers, dual core radiator, QSC clutch, 30" Carnivores/STI HD6 wheels, 3500lb Polaris winch, LED headlights, 30" lightbar, 7" LED driving lights, EMP 1/2 windshield, Air box relocation w/ custom snorkels, SATV EPS, CycleWorx 65amp VR, BoeschBuilt parking brake, dual Venom whips

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post #7 of 13 Old May 26th, 2019, 05:25 PM
 
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Re: Bypassing speedo for 4x4

Quote:
Originally Posted by tekrsq View Post
Well, finally got a chance to do some serious troubleshooting. Screwed around with it for 3 hrs, just to find out I have a bad switch...lol.

I wish I knew how to make a standard Carling switch work with the stock wiring. I don't mind moving the wires around in the plug, I just don't know what needs to be moved. Either way, I got another stock switch coming, so at least it will work.

Thanks for all the help !!!!!
This should help.

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post #8 of 13 Old May 26th, 2019, 05:51 PM Thread Starter
 
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Re: Bypassing speedo for 4x4

Quote:
Originally Posted by Clothier View Post
This should help.

WOW....Seriously ?? No wonder I couldn't figure it out. I assume the "Ign Power" wires are the stock red/white wires ?

THANKS !!!!!!

08 RZR 800- SATV +6 High Clearance LT kit, Rhino axles, 900 XP shocks, 900XP front bearing carriers, dual core radiator, QSC clutch, 30" Carnivores/STI HD6 wheels, 3500lb Polaris winch, LED headlights, 30" lightbar, 7" LED driving lights, EMP 1/2 windshield, Air box relocation w/ custom snorkels, SATV EPS, CycleWorx 65amp VR, BoeschBuilt parking brake, dual Venom whips

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post #9 of 13 Old May 26th, 2019, 06:15 PM
 
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Re: Bypassing speedo for 4x4

Here is a really good thread that I found that pic in. https://www.rzrforums.net/lighting-s...-switches.html
Mad props to rzrxpdude for the write up.
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post #10 of 13 Old May 26th, 2019, 06:16 PM
 
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Re: Bypassing speedo for 4x4

I used it to do,my headlight and awd switch replacements.

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post #11 of 13 Old May 27th, 2019, 10:31 AM
 
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Re: Bypassing speedo for 4x4

Quote:
Originally Posted by tekrsq View Post
Well, finally got a chance to do some serious troubleshooting. Screwed around with it for 3 hrs, just to find out I have a bad switch...lol.

I wish I knew how to make a standard Carling switch work with the stock wiring. I don't mind moving the wires around in the plug, I just don't know what needs to be moved. Either way, I got another stock switch coming, so at least it will work.

Thanks for all the help !!!!!
See the write up I did on this on post 14 https://www.rzrforums.net/rzr-xp-100...lp-needed.html
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post #12 of 13 Old May 27th, 2019, 05:31 PM Thread Starter
 
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Re: Bypassing speedo for 4x4

Quote:
Originally Posted by madsonp View Post

See the write up I did on this on post 14 https://www.rzrforums.net/rzr-xp-100...lp-needed.html
That's awesome, thanks !!!!! I have a few 5 pin switches I am going to try.

08 RZR 800- SATV +6 High Clearance LT kit, Rhino axles, 900 XP shocks, 900XP front bearing carriers, dual core radiator, QSC clutch, 30" Carnivores/STI HD6 wheels, 3500lb Polaris winch, LED headlights, 30" lightbar, 7" LED driving lights, EMP 1/2 windshield, Air box relocation w/ custom snorkels, SATV EPS, CycleWorx 65amp VR, BoeschBuilt parking brake, dual Venom whips

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post #13 of 13 Old May 27th, 2019, 05:55 PM
 
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Re: Bypassing speedo for 4x4

Quote:
Originally Posted by tekrsq View Post
Quote:
Originally Posted by madsonp View Post

See the write up I did on this on post 14 https://www.rzrforums.net/rzr-xp-100...lp-needed.html
That's awesome, thanks !!!!! I have a few 5 pin switches I am going to try.
Glad to help, let me know how things turn out for you, or if you have any questions.
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