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By A P
Hi
I have a 2022 hisun sector eps 550. 30amp fuse is blown for eps. Checked the motor and it’s fine. Opened up the controller and found a bad diode. Dealer wanted 500$ for the controller. Just posting this in case it helps someone. I couldn’t read numbers from the old one so just took a guess and replaced it with a 100v 3amp diode.
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By Joe Rizo
Hello All,
We have exhausted all possible troubleshooting steps, now we are in need of some help.
Vehicle cranks but will not turn over. Things we have either replaced or tested and are now known good:
1. Fuel pump (new)
2. Fuel sensor (new)
3. Fuel injector (new)
4. Battery (new)
5. Spark plug (new), spark tested
6. fuses (12v to all)
7. we have 12v at the injector module and 11 ohms resistance
8. we have fuel in the fuel line to the injector
9. we have fuel at the spark plug
10. we have injector pulse, verified with noid tester
11. brake safety switch tested (couldn't find a separate switch assuming it is using the brake light switch)
12. seat belt buckled and seat in place (again, not sure if this model has these features)
13. replaced air filter
14. replaced several air hoses
15. flushed radiator and replaced with diluted antifreeze
16. Drained and cleaned the fuel tank prior to replacing the fuel pump.
Any ideas, we are open to....Help!!
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By kmiller7351
I have a 550 colman and i am trying to get running as it came from another military base. It came without keys battery and all fluids drained. So how can i bypass key switch and can i use a temp battery to start it. I want to make sure it runs first before i replace key parts. I added oil, brake, antifreeze still working on other fluids. not sure if i am missing any electrical parts. Battery in picture is junk i think. not sure what the connector is. probably will have to buy an ignition cylinder in future. So any guidance is appreciated.
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By Rschrem
Hi, my 2010 Hisun will crannk but comes to a stop and only clicks. It has new battery and solinoid. Battery connections all seem good. Any ideas what the problem is?
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By monkthumper
Fuel pump is good (i hotwired it) swapped relay with known good one no help. I'm leanin towards ECU but cannot find wiring diagram online. Dont know how fuel pump relay gets its signal, all fuses good, any help?
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