How do i reset system after changing wire harness and angle sensor

If you have the front wheel off recently one, the speedometer sensor is easily broken and a common occurrence when the wheel is removed and replaced.
The symptoms are erratic or non-working speedo.
Also, there is a wiring harness under the speedometer. Remove the 3 bolts holding on the speedometer, and carefully lift it up and check to make sure the harness is plugged together tightly.

Could be the shifter solenoid. but most likely it's in the section where the shifter cable goes into. There is also 2 sensors on the top of it one forward and one reverse . I do believe that unit has a manual post coming out of the lower side of the engine on the left side when sitting on it. Put a socket on it and see if the bike will shift manually. If not then it's either the section with the 2 sensors on it or the mechanism inteernally itself.

Check the earth wire. (sometimes they are spliced together in the harness). Otherwise splice (connect) the earth from the display unit directly to Batt Negative and see if that solves it. Then you know there is a serious volt drop in your earth system. MAKE SURE you are earthing the correct wire.

500 rubicon trans problem. - ATVConnection.com ATV Enthusiast ...

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Sep 17, 2003 - It has low gear and reverse only will not up shift in any mode. ... Had the same problem with mine, went to my local honda shop and he had ... My lightswould flash and the trans. wouldn't do anything, had to shut ... Code 5 - Angle Sensor System (Motor lock i.e., angle sensor, wiring, .... All times are GMT -5. Honda Electric Shift (ES) Problem Solved
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check engine light blink 5 times rsx ATVs Questions ... - Fixya

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Question about 2012 Big Red MUV ... Check engine light blinking on Honda big red muv Check engine light slowly blinks ... My 2014 honda foreman 500 es 4x4 neutrallight blinks 4 long times and 2 short times and will not shift into gear.

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dont know but computer ,shouldnt matter motor runs 1 way ,make sure its fully in rev , check wire to rev solenoid if it has one ,sory im not familiar with this ,let us know i think it might have a limiter when in rev ,you know how hard and complicating they are now days,and call it for safety.

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2007 2012 HONDA TRX420 RANCHER 420 REPAIR SERVICE MANUAL Download...

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Sounds like angle sensor but will need more info

How many blinks on the 1st gear light? Here's the code definitions that should be for your quad.

Code 0 (no flashes) - The system is functioning normally
Code 1 (one flash) - Electronic control unit
Code 2 (two flashes) - Shift Switch or it's circuit
Code 3 (three flashes) - Angle sensor or it's circuit
Code 4 (four flashes) - Gear position switch or it's circuit
Code 5 (five flashes) - ECU motor circuit (defective ECU)
Code 6 (six flashes) - ECU failsafe relay circuit (defective ECU)
Code 7 (seven flashes) - ECU voltage converter circuit (defective ECU)
Code 8 (eight flashes) - Angle sensor, control motor, ECU or circuit
Code 9 (nine flashes) - Angle sensor, it's circuit or ECU
Code 10 (ten flashes) - Pulse generator or it's circuit
Code 11 (eleven flashes) - Speed Sensor , it's circuit or ECU
Code 12 (twelve flashes) - Gear position switch, it's circuit or ECU

I hope this helps you out.

I assume you mean it wont crank with the starter? It could be the solenoid, the neutral sensor, kill switch or the key switch.

How many blinks on the 1st gear light? Here's the code definitions that should be for your quad. Count the flashes and look it up here. Call your dealership or local repair shop for more info and parts if you're planning on tackling it yourself.

Code 0 (no flashes) - The system is functioning normally
Code 1 (one flash) - Electronic control unit
Code 2 (two flashes) - Shift Switch or it's circuit
Code 3 (three flashes) - Angle sensor or it's circuit
Code 4 (four flashes) - Gear position switch or it's circuit
Code 5 (five flashes) - ECU motor circuit (defective ECU)
Code 6 (six flashes) - ECU failsafe relay circuit (defective ECU)
Code 7 (seven flashes) - ECU voltage converter circuit (defective ECU)
Code 8 (eight flashes) - Angle sensor, control motor, ECU or circuit
Code 9 (nine flashes) - Angle sensor, it's circuit or ECU
Code 10 (ten flashes) - Pulse generator or it's circuit
Code 11 (eleven flashes) - Speed Sensor , it's circuit or ECU
Code 12 (twelve flashes) - Gear position switch, it's circuit or ECU

I hope this helps you out.