power train

Muffie59

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Joined
Nov 19, 2025
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Location
Petrerborough, Ontatio
Country
Canada
Snowmobile
2015 Viper
Hi. Need help diagnosing a power issue.

The display gauges are not powering up. The engine turns over but sled will not start. All fuses tested and are OK.

Any suggestions?

Muffie
 
You are a little spare on details, makes it hard to be of much help.

ie. what sled, what year, sled history, mileage, ... anything
 
2015 viper R-TX. I was loading on my trailer. Was running fine and then quit. The stater works fine and the motor turns over well. When i attempt to start the sled, I noticed there is no display. Check fuses, all test good. Ensured that that the main cable to the hood was connected properly. The connection to the back of the speedometer is tight. I noted that there are what look like a number of relays in the fuse box, but i dont know how to check them.

VIN is 4UF8JP203FT000323

Muffie
 
check that ign is plugged in all the way and all wires are bottomed in all the connectors.
 
How quickly is it turning over? Vipe’s are prone to no-starts if the battery voltage is being drawn down too far during crank, Cat’s ECU is a little fussy that way.
 
Kill switch in the on position? A Viper will turn over with the kill switch off but no gauges will turn on and no start.
 
Kill switch in the on position? A Viper will turn over with the kill switch off but no gauges will turn on and no start.
occured to me as well but was not sure on this model sled if that was possible.
 
Found the problem. It was a faulty kill switch. didn't expect that. i have never heard of a kill switch failing.

Thanks to those who responded to me.

Muffie
 


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