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ECM fuse blown 07 streetbob Fuel pump issue?

Dyna Glide Models - Harley Davidson Forums - www.hdforums.com
Hey guys, dealing with a 2007 street bob that continues to blow the ECM fuse.

Nothing crazy with the bike, handlebars, exhaust, PCV installed.

Bike has run fine for the past month and a half this season and about 5 mins down the road my bike just quit on me.

Checked the fuses, ECM fuse blown. Replaced fuse and blew again.

Pushed the bike home and checked it out.

With ignition on and kill switch off everything is ok. Lights and instruments on.

Once I flip kill switch to run the ECM fuse blows.

Went through wiring diagram and found the wires go to the ECM to system relay and to the fuel pump.

Removed fuel pump fuse and tried again, ignition on kill switch to run. ECM fuse doesn?t blow.

Intsalled new fuses, removed system relay and tried again nothing blows.

Removed fuel pump relay and tried again, nothing blows.

Installed fuses and relay back back in place and removed wire harness to tank.

Switch to run and nothing blows.

disconnected pump wire IN the tank and left gauge plugged in. Nothing blows.

Figured it was the pump at this point. Removed pump from tank and ohm out. Pump is showing continuity and so are the wires from the plug in the tank. Wires are good.

Plugged pump back in but pump is out of the tank. Turned ignition on and switch to run. Fuel pump is working now.....

With the pump out of the tank I Turned the kill switch to run multiple times and let it prime and left the kill switch to run for a minute and no issues. Did not attempt to start the bike with the pump out of the tank.

Reinstalled pump into tank, hooked everything up and turned to run with ignition on.

Blew fuse again. Blows ECM fuse never the fuel pump fuse.

Any suggestions?


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