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post #1 of 47 (permalink) Old 01-23-2012, 05:07 PM Thread Starter
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foreman 450 es

i have a 2001 foreman 450 es the fan control module went bad i ran the hot wire on the fan to the battery with a togel switch and the fan worked good but it quit firing and shifting electricly and the reverse and neutral light stays on no matter what gear im in.also when i shifted it manual the gear # wouldnt show up on the display but when i unplug the box under the seat (i think its called an engine relay) the gear # shows up on the display.anyone have any idea what may be causing all this?
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post #2 of 47 (permalink) Old 01-23-2012, 05:30 PM Thread Starter
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i should also mention that i unhooked the toggel switch and hooked the fan back up like it was.
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post #3 of 47 (permalink) Old 01-23-2012, 05:51 PM
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If the neutral light and reverse lights are staying on at the same time, you might have a bad gear position switch. That's where I would begin..........by checking the gear position switch. The service manual will show you how to test it. If you don't have the service manual, click on the link below to download it.

1998-2004 Foreman 450 Service Manual.pdf

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #4 of 47 (permalink) Old 01-23-2012, 05:53 PM
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Since the reverse light is on, it "thinks" it's in reverse, so that's probably why it won't fire.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #5 of 47 (permalink) Old 01-23-2012, 07:03 PM Thread Starter
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ok thanks.i looked at the manual and i think i can test it.
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post #6 of 47 (permalink) Old 01-23-2012, 09:34 PM
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You're welcome.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #7 of 47 (permalink) Old 01-24-2012, 12:24 PM Thread Starter
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well i tested it in neutral and i didnt get any continuity but im not shre i had a good ground im gonna just take it to the shop if it is bad i dont want to get into what it takes to fix it..thanks for your help
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post #8 of 47 (permalink) Old 01-24-2012, 02:20 PM
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Originally Posted by fishdaddy View Post
well i tested it in neutral and i didnt get any continuity but im not shre i had a good ground im gonna just take it to the shop if it is bad i dont want to get into what it takes to fix it..thanks for your help
this may..or may not help you..but..i thought i'd throw this out to ya..i just got done putting a 450es motor back together at the shop..all was good..until i turned the key on...and got nothing but ---- on the display..well..i knew the angle sensor was good..and the bike was in neutral !.my first thoughts were...oh crap..maybe i put the tranny in backwords ???..lmfao..nooo..they were right.i triple checked all that before i sealed it up. okkkkk..soooo..after watching the display..and manuallly going through the gears..i was thinking..why does the neutral light almost come on..and the reverse light does light up ????..well..i got to thinking ( i hate wasting brain cells ! )..what about the neutral switch in the back..under the cover..by the alternator !!..then it dawned on me..that switch can be set back into the shifting drum 180 degree's off..soooooo..sure enough..after taking the back cover off..pulling it off enough to turn the switches peg around 180..i look up..and now my neutral light is lit up !..i get it all back together...turn the key on..neutral light is on..display reads N now..hit start button..it cranks...it runs !!..lol.

'89 trx350D foreman 4x4...'85 vf700c magna, '83 cx650c , '03 trx450fm foreman 4x4 , 2015 Yamaha waverunner fx cruiser ho

Last edited by shadetree; 01-24-2012 at 02:23 PM.
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post #9 of 47 (permalink) Old 01-24-2012, 02:25 PM
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sooooo..even if you did not get into tearing your motor down like i did ?..it's posb your neutral wire comming from the back came unplugged or somewhere along that line ?.

'89 trx350D foreman 4x4...'85 vf700c magna, '83 cx650c , '03 trx450fm foreman 4x4 , 2015 Yamaha waverunner fx cruiser ho
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post #10 of 47 (permalink) Old 01-24-2012, 03:06 PM
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Originally Posted by shadetree View Post
okkkkk..soooo..after watching the display..and manuallly going through the gears..i was thinking..why does the neutral light almost come on..and the reverse light does light up ????..well..i got to thinking ( i hate wasting brain cells ! )..what about the neutral switch in the back..under the cover..by the alternator !!..then it dawned on me..that switch can be set back into the shifting drum 180 degree's off..soooooo..sure enough..after taking the back cover off..pulling it off enough to turn the switches peg around 180..i look up..and now my neutral light is lit up !..i get it all back together...turn the key on..neutral light is on..display reads N now..hit start button..it cranks...it runs !!..lol.
Yeah, when you put the rear crankcase cover back on, you have to align the long end of the pin in the gear position switch with the "N" and this will insure that you have it the correct way.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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