no 4wd on brute force 750

richiebanta1 · 05-12-2009

i have a 2005 brute force 750,bought it with wiring issues and found out it was the bus bar,i fixed that problem and reset belt light and now it runs like crazy,but at first when you switched to four wheel drive the display stayed on 2 wheel and it was not engaging,check both actuators and theyre working fine,traced wiring to the controller and checked controller power per the manual and im only getting about 3 to 4 volts to the controller,could this still be from the bus connector?i have checked the underside of the fuse box and cleaned the connections and its still giving me the quick flashing code.any help would be appreciated

RCW · 05-12-2009

Do the reset procedure for engine service and the controller voltage should come back to specified levels.

These have a safety feature that sets the service light, normally keeps the four wheel drive locked out, and limits the engine rpm if they are not serviced by a dealer for the initial valve adjustment. The same condition will occur if the belt or clutches are not operating per specification.

So, if you reset the light and it turns on again, I would be checking the torque converter tolerances and belt dimensions.

If you bypassed the ECM control circuit in your wiring repairs, the ECM may not have actually reset when you reset the belt indicator. If that is the case you will need to follow the wiring schematic and make sure everything is connected as specified. I would tend to think that may be the situation if it runs good with the light turned on, but not all the controller regulated features are functional.

This may be a situation whereby you will be money ahead to have a dealer diagnose the codes from the ECM. They will narrow the probable causes and keep you from swapping parts needlessly.

richiebanta1 · 05-12-2009

how do you reset the 4wd,i know how to reset the belt light but not the 4wd

cheeky · 07-02-2009

I'm having the same problem right now we have tried everthing with no luck.

RCW · 07-03-2009

There is another post about the inability to shift into four wheel drive today. See what I said there and try that.

05-12-2009	#1 (permalink)
richiebanta1 Newbie Join Date: May 2009 Posts: 3	no 4wd on brute force 750 i have a 2005 brute force 750,bought it with wiring issues and found out it was the bus bar,i fixed that problem and reset belt light and now it runs like crazy,but at first when you switched to four wheel drive the display stayed on 2 wheel and it was not engaging,check both actuators and theyre working fine,traced wiring to the controller and checked controller power per the manual and im only getting about 3 to 4 volts to the controller,could this still be from the bus connector?i have checked the underside of the fuse box and cleaned the connections and its still giving me the quick flashing code.any help would be appreciated

05-12-2009	#2 (permalink)
RCW Way Too Much Free Time BTK Expert Join Date: Nov 2007 Location: Oregon, Chile, Alberta, Texas Posts: 1,482	Do the reset procedure for engine service and the controller voltage should come back to specified levels. These have a safety feature that sets the service light, normally keeps the four wheel drive locked out, and limits the engine rpm if they are not serviced by a dealer for the initial valve adjustment. The same condition will occur if the belt or clutches are not operating per specification. So, if you reset the light and it turns on again, I would be checking the torque converter tolerances and belt dimensions. If you bypassed the ECM control circuit in your wiring repairs, the ECM may not have actually reset when you reset the belt indicator. If that is the case you will need to follow the wiring schematic and make sure everything is connected as specified. I would tend to think that may be the situation if it runs good with the light turned on, but not all the controller regulated features are functional. This may be a situation whereby you will be money ahead to have a dealer diagnose the codes from the ECM. They will narrow the probable causes and keep you from swapping parts needlessly. __________________ 2008 3010 Trans4X4 Diesel Mule 2008 JD XUV 850 Diesel 1979 XS650 Yamaha New DR-Z400S

07-02-2009	#4 (permalink)
cheeky Newbie Join Date: Jun 2009 Posts: 8	any luck I'm having the same problem right now we have tried everthing with no luck.

07-03-2009	#5 (permalink)
RCW Way Too Much Free Time BTK Expert Join Date: Nov 2007 Location: Oregon, Chile, Alberta, Texas Posts: 1,482	There is another post about the inability to shift into four wheel drive today. See what I said there and try that. __________________ 2008 3010 Trans4X4 Diesel Mule 2008 JD XUV 850 Diesel 1979 XS650 Yamaha New DR-Z400S

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05-12-2009	#3 (permalink)
richiebanta1 Newbie Join Date: May 2009 Posts: 3	how do you reset the 4wd,i know how to reset the belt light but not the 4wd

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