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Keep blowing ignition fuses

Buellxb Forum

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mfergel

Active member
Joined
Nov 9, 2008
Messages
27
OK. Searching has shown me that this is a common problem with the XB's. I've done some of the troubleshooting steps. The fuse blows when I have the ignition relay in place. It does not when I remove the relay. I have swapped all the relays around so I'm fairly certain the relay isn't the issue. I've also seen where the #77 connector to the voltage regulator can be removed to diagnose. Which of the connectors down by the front sprocket is the proper connector? It's the one with just the red and black wire, correct? If so, I have disconnected that and the fuses still blow. So I assume that rules out the voltage regulator? Does that just leave me with hunting down a short somewhere?
 
OK. Searching has shown me that this is a common problem with the XB's. I've done some of the troubleshooting steps. The fuse blows when I have the ignition relay in place. It does not when I remove the relay. I have swapped all the relays around so I'm fairly certain the relay isn't the issue. I've also seen where the #77 connector to the voltage regulator can be removed to diagnose. Which of the connectors down by the front sprocket is the proper connector? It's the one with just the red and black wire, correct? If so, I have disconnected that and the fuses still blow. So I assume that rules out the voltage regulator? Does that just leave me with hunting down a short somewhere?


Searching has shown me that this is a common problem with the XB's.
your search engine is incorrect. it's not.


Does that just leave me with hunting down a short somewhere?
yes....it does. likely areas:
top of motor rearward of coil.....harness to injectors
77 connector....see pic...then see arrow
small harness beneath motor and atop muffler/cowling bracket areas
steering neck harness wrap specifically the much-maligned "brown wire".

452650.jpg
 
Searching has shown me that this is a common problem with the XB's.
your search engine is incorrect. it's not.


Does that just leave me with hunting down a short somewhere?
yes....it does. likely areas:
top of motor rearward of coil.....harness to injectors
77 connector....see pic...then see arrow
small harness beneath motor and atop muffler/cowling bracket areas
steering neck harness wrap specifically the much-maligned "brown wire".

View attachment 12403

Google would disagree. Bunch of these on the BadWeatherBikers forum.

I'll take a look at the connector again as I may have pulled a different one.
 
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