2002 Big Bear 400 electrical problem
#1
2002 Big Bear 400 electrical problem
Picked up a 2002 Yamaha big bear 400 2wd. Was charging the battery and tried to turn it over. The neutral light would come on, after 5-6 attempts the lights went out. Does not respond to turning the key. It looked like the starter relay had been recently replaced with a cheap Chinese replacement. Changed this with a new unit and still have no response. Fuses are not blown. I've read that the neutral switch could cause this problem but I'm leaning towards CDI box/ignition module. Any help would be greatly appreciated.
#2
Do headlamps work with ignition on? If not your battery is flat or dead, or one of the thick leads to battery has a bad connection, probably earth to engine or frame. If you fitted a new solenoid, it must have the thick lead binding posts the right way round M to starter, and B to battery. Sparking has very little to do with the battery on old Yamahas so not a CDI problem.
#3
Do headlamps work with ignition on? If not your battery is flat or dead, or one of the thick leads to battery has a bad connection, probably earth to engine or frame. If you fitted a new solenoid, it must have the thick lead binding posts the right way round M to starter, and B to battery. Sparking has very little to do with the battery on old Yamahas so not a CDI problem.
Nothing works at all, it's not a spark issue, more or less a dead to the world issue. Battery is at 13.2v.
#4
Do headlamps work with ignition on? If not your battery is flat or dead, or one of the thick leads to battery has a bad connection, probably earth to engine or frame. If you fitted a new solenoid, it must have the thick lead binding posts the right way round M to starter, and B to battery. Sparking has very little to do with the battery on old Yamahas so not a CDI problem.
Thanks for the input. Bad Ground, Frame to battery all is well with the quad now other than a few cosmetic issues to work on.
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