Melatv

This is the info on the angle sensor

Check the shift solenoid connectors for corrosion -- you can also apply 12 VDC to each solenoid -- should hear a sound --- Black & Brown connectors

Hi: You can get a service manual at top of page --- go to section 13 - 34 and do the checks with a good meter -- sorry I can't stay with you with this -- I am very busy with things here

Hi: Is the small red wire on the solenoid terminal post with the large wire going to the positive post of the battery? If not put the red wire on the solenoid terminal that is going to the positive of the battery.

Hi: When you say jump the solenoid are you jumping across the 2 large terminals? --- if so move the small red wire to the other large terminal post.

Hi: Use a set of Calipers or tape measure from the tip to tip red -- then tip to tip green --- when adjusting to get them the same

Very sorry for the lost of your Sister

HI: This may help -- Cut a V notch see picture

HI: This maybe what you are looking for

HI: This maybe your problem -- check the large wire from the positive of the battery going to to the solenoid -- the 2 small red wire should go on the stud with that large wire.

Hi: Try this

Hi: Here is a good read for red hot exhaust 12 Most Common Reasons for a Glowing Red Hot ATV Exhaust | BoostATV.com

5/16 should work

Hi: If you still have the FMC connected on your 450 -- it only gets it 12VDC from the FMC -- the sensor tells the FMC to turn the fan on.