main fuse keeps blowing - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Where does this wire go?
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post #1 of 8 (permalink) Old 12-23-2010, 03:08 PM Thread Starter
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main fuse keeps blowing

the 30 amp main fuse relay keeps blowing in the junction box my bike (well its actually a trike) is based on a 93 vn 750 also the starter relay was making a buzzing noise even when the ignition was turned off, any ideas??

cheers
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post #2 of 8 (permalink) Old 12-23-2010, 09:07 PM
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Just a stab at it but a short in the starter relay or the ignition switch...or the wire to them?

Try disconnecting possible causes and see if the fuse stops blowing. I had a bike that kept doing that and it turned out to be a bare wire grounding out in the headlight shell...but I would start with componets first.


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post #3 of 8 (permalink) Old 12-24-2010, 10:05 AM
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There's a wire harness that runs from one side of the bike to the other, under the seat. On my bike it had been tied down so tight, it was rubbing on the head of a screw. I loosened up the harness and fixed that problem.

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post #4 of 8 (permalink) Old 12-24-2010, 02:46 PM
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if the relay keeps buzzing then for sure it's either a stuck relay or a short in the wire running to it. good luck

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post #5 of 8 (permalink) Old 12-26-2010, 10:28 AM Thread Starter
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cheers lads the starter relay and connections to it are in pretty bad shape so have ordered a new one once it arrives will sort out wiring as well

cheers
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post #6 of 8 (permalink) Old 12-26-2010, 10:35 AM
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Quote:
Originally Posted by Gemguy View Post
if the relay keeps buzzing then for sure it's either a stuck relay or a short in the wire running to it. good luck
You may also check the start button. It may be staying stuck.
Turn the emergency stop switch to off, see if that stops the buzzing.

02 honda sabre 1100
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post #7 of 8 (permalink) Old 12-26-2010, 11:29 AM
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Quote:
Originally Posted by blitzer View Post
cheers lads the starter relay and connections to it are in pretty bad shape so have ordered a new one once it arrives will sort out wiring as well

cheers
Disconnect the two small trigger wires (primary circuit connector) to the starter solenoid/relay, and attach some small jumper wires direct from the battery to test its function. If you hear a single click, it is probably still good.

For a definative test, disconnect the large cables leading to the battery and starter motor, and attach the leads of an ammeter to the relay terminals (secondary circuit). If you get a single click when applying power to the trigger circuit, and a reading of 0 (zero) resistance, the relay is good.

No click, or a reading greater than zero ohms indicates a faulty relay.

Gordon

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post #8 of 8 (permalink) Old 01-02-2011, 02:00 PM Thread Starter
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replaced the starter relay and is working perfect now, only 7.50 (euro) on ebay
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