Sounds like you dont have a good gound! try to run it to the battery or to the frame and if you have any open connections use some liquid electrical tape to seal the connection!
2007 popo 500 ho efi
28-12.5-12's on all wheels
vision wheels
1.5 spacers front, 2.5 in rear
relocated rad
custom audio pipe
custom exhaust
strobes
and more stuff i wasted money on!