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By robwork9
Hopefully someone out there is a T-Boss 410 electrics expert or a Massimo mechanic is viewing this. I parked my 410 and it was working great. I came back a week later and attempted to crank it and nothing. Turned the key and no power. Figured it was a bad/low battery so I charged it. Still nothing. Attempted to jump start it and still nothing. Usually when I put the key in and turn it to the first position, the display comes on and I hear the ECU and other items boot. Now it is doing nothing.
I slowly went through the electrical system and found the main fuse attached to the starter relay, part 71602 (pic 1) blown. I figured replacing this fuse would fix my problem. It didn't. I then ordered a new starter relay thinking maybe that part had gone bad and caused the fuse to blow, but a new relay did not fix the problem.
I have found a work around for starting the machine. If I take one of the purple/black leads (pic 2) and insert one of them in the bottom right of the starter relay (pic 1 and 3) then the machine will get power even with the key in the off position. I'm bypassing something but don't know what. I can use my right hand to hold the wire against the lower right of the starter relay, reach over and hold the brake with my foot, then take my left hand and turn the key and it will crank. As soon as I remove the wire from the relay the machine shuts down. I have even removed the power distributor box and it will still get power when I touch the wire to the relay. Of course this is not the way it should work but if I can't solve this problem somehow I may just have to rig a connector to the relay and bypass whatever is causing the electrical issue. Massimo has told me the purple/black wires on my model are not used.
Any help in figuring what my problem may be or other items I can try?
v/r,
Rw
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By Volkz VLOGS
Cases, cylinder heads , jugs & pistons.. Hit me up I might have it!! ( I'm a certified Motorsports tech for many brands including CF moto)
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By johnpeter
2022 Polaris RZR Pro XP Ultimate Rockford Fosgate edition like new On Ebay
https://www.ebay.com/itm/165963318931?
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By Ribble
Hi, I’ve recently purchased an Ag Pro 1200 to find that it doesn’t have engine breaking. I live on a very steep property and it feels dangerous not having it. Does anyone know if it can be added? Or any other ideas? I’m mostly using it for weed spraying using a hand held wand… so I need to creep along stopping and starting. Thanks for helping.
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By BeachBuggy
Massimo Buck 250 less than a year old. 900 miles on it. Live on beach in TX...i.e. corrosive salt air and normally mild temps.
The story - one day, it randomly quit on idle and was tough to restart. Next day, it occasionally cut out for 1-2 seconds while driving, then catch back to normal throttle. Pumped gas pedal, not sure if that helped it catch. Added some marine sta-bil and filled tank. Ran well after that for a day. Following day, wouldn't start. Turns over, cranks, but won't start. When it quit on idle that was the first time driven since we did have a freeze of ~25 degrees.
Full charge on battery. No spark. Changed plug and still no spark. Fuses look good, but fuse connection box has some loose clasps and spade were corroded. I bent clasps best I could and used dielectric on spades re-inserted. Cleaned and checked every connection I could find. Don't have a card reader to hook up, but did swapped ECU just to check that, and no change...after swapping ECU the engine light now stays on. Previously blinked and then goes away.
Under warranty but service place is 2 hrs away.
thanks!
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