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Hisun Sector 550C total electrical failure.

todd93

By todd93
in Hisun UTV SxS Forum

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todd93 Newbie

todd93

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Hi, all! I. I'm new to the board, hoping someone could help me out! I have a 2020 Hisun Sector 550C that I bought new in 2021. Today, I took some stuff next door to my parents. When I went to leave, I turned on the key, heard the solenoid click, but no lights, no guage activity, no fuel pump, and no starter. 

 

The battery is good, I checked all the fuses, they are good. Not sure if the relays are good, or even what to look for there. Is it possible that it's maybe a wire? 

I'm really stumped on this one! Any help would be deeply appreciated! Attached is a pic of the fuse box layout. 20240519_163658.thumb.jpg.e50684d586ffbf635723f484355ba3a0.jpg

 

Thanks! 

Todd 

todd93 Newbie

todd93

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Just a quick update, I believe the problem is the main relay. This is not a serviceable part. It's not the small box with some fuses that some models have, it's one small relay plugged into a wiring harness. Weird thing, I happened to be walking by it, turned the key, and it magically worked! At least I was able to get it back home! 

aefron88 Community Regular

aefron88

Posted
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Relay sticking? Any corrosion visible? If it does it again give it a sharp tap with the bandle of a screwdriver and see if it resolves temporary.

Most relay failures I've seen are due to arcing on the contacts or corrosion from water getting inside. They're not well sealed.

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todd93 Newbie

todd93

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10 hours ago, aefron88 said:

Relay sticking? Any corrosion visible? If it does it again give it a sharp tap with the bandle of a screwdriver and see if it resolves temporary.

Most relay failures I've seen are due to arcing on the contacts or corrosion from water getting inside. They're not well sealed.

Yes, I can understand that, and yes, I did tap the main relay quite a bit, it's quite different from normal relays... Honestly, I can get the cover off of a normal relay and visually inspect it... I'll share a pic of it, I ordered one off of Amazon, waited for it to fail again, replaced it, and no more trouble! 

20240528_174349.thumb.jpg.fd88742423e973c9280a05761cf0c1fd.jpg

  • 1 year later...
Allan Carrie Newbie

Allan Carrie

Posted
Posted

I am having the exact same issue with my Hisun 750 Tactic ATV, not power to anything!   Started it to move it out of the garage, it ran for about 5 seconds then stopped, and now no electric power to anything.... all of my fuses check out good, with my multimeter.... I also have a new Main Relay on order from Amazon, waiting for it to arrive from China - hopefully that solves my issue. I want my unit to work.

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