Starting issues ??

Just bought 2006 be ig dog mastiff..I k now know electrical nightmare..anyways I like big dog ....rode in home no o problem beside the fact tac wasn't working ..all good ..get home and blinkers start flashing with no key in ignition ..so I diconect battery to save battery from draining.at reconnectng time turn key to run nothing turn key back off now left turn signal indicator on..not blink ing not light just indicator solid ..so I discounted again .buy new battery fully charged ....connect.turn key nothing..same ..now when reconnecting wire by chance I connected positive then neg ..but when laying around with wires the positive lead from black box I believe to be wired into ehc that was originally on positive termanal when I connect that wireless with key on bike lights up and will run ..I'm a little lost ..help ..
 

HMAN

Just like to ride
Supporting Member
Make sure the new battery is fully charged and has @ least 310 cca. These bikes take a lot to turn over. Take a short video and post to youtube. You can post the link and we can see what you are dealing with.
 
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