2004 Polaris sportsman 500 , full battery, no power to speedometer or starter

[starsteven22]

Have a 2004 sportsman 500 HO , was working fine, decided to attach a trickle charger(the correct way) onto a newer battery, after a couple of weeks went to start it and no power to speedometer nor would start, but could turn lights on from switches. I put battery charger on and said fully charged. Disconnected positive led from battery and reconnected them, seemed to correct problem, ran the machine for a while then shut it off, and same problem started again,(did not disconnect battery again, but charger said full and lights would work)Any thoughts on where I should go from here?

[davefrombc]

I would look for a loose connection or a corroded connection or ground in the circuit to the ignition switch and starter circuit.

 

[starsteven22]

Thanks, I will start there

[Squily]

Try giving the starter relay a tap- maybe starting to wear out. And check the diodes in the fuse box if applicable

 

[starsteven22]

Well I went back to it and turned key on, everything worked fine, before I did anything, thanks for all the help where to start, If it happens again , I will check (dam gremlins

[davefrombc]

2 hours ago, starsteven22 said:

Well I went back to it and turned key on, everything worked fine, before I did anything, thanks for all the help where to start, If it happens again , I will check (dam gremlins

That's what makes me suspect a loose or corroded connection. Turning on the power can  make a momentary surge in power that can connect through a little corrosion, and movement can  make a loose connection make contact when  previous movement made it lose.  I'd bet more on a loose connection or even an incomplete break in the wire where the ends are close together and a little movement makes connection. It's possible in the ignition switch too if a little corrosion in there .. Next time it doesn't want to  turn  over,  try turning the ignition switch on and off a few times to see it that makes it work.  Electrical gremlins that cause intermittents are the most evil. It's much easier finding a complete failure / disconnection.

 

[Gwbarm]

Mysterious that it only happened after you used the trickle charger, I might check the fuses sometimes they get corroded and loose.

[starsteven22]

On 10/3/2022 at 8:22 AM, starsteven22 said:

Have a 2004 sportsman 500 HO , was working fine, decided to attach a trickle charger(the correct way) onto a newer battery, after a couple of weeks went to start it and no power to speedometer nor would start, but could turn lights on from switches. I put battery charger on and said fully charged. Disconnected positive led from battery and reconnected them, seemed to correct problem, ran the machine for a while then shut it off, and same problem started again,(did not disconnect battery again, but charger said full and lights would work)Any thoughts on where I should go from here?

Thanks for all the help, as it turns out you guys were right with loose corroded connection it was in the handlebar light stop/kill switch , that was replaced and now is working fine, aggravating😡 with that just going bad as the only thing that was used since working was that trickle charger . Thanks again for all the help suggestions.

[Gwbarm]

That great, you figured it out, sometimes little things that that are hard to find.

[pekemog741]

Nice


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