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post #1 of 3 (permalink) Old 01-24-2016, 03:37 PM Thread Starter
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big mistake!

Hi I'm new to the forum. I have a 99 F4 750S with 8k on the clock had the bike for 2.5 years now all good no issues, however today I changed out the battery tray for a good condition replacement so I could get the original one re-painted all good until I made an unbelievable mistake! I was not paying attention listening to the radio and put the battery back the wrong way around and reverse polarity the bike, a flash / spark as I put the -ve wires to the +ve of the battery a 7.5A fuse has blown master & latch relays dashboard (as described on fuse cover) I replaced the fuse and it blew again just wondering how much damage I have done and to what!
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post #2 of 3 (permalink) Old 01-24-2016, 03:40 PM
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Did you check the relays too? Changes are they are cooked.
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post #3 of 3 (permalink) Old 01-24-2016, 03:53 PM
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Welcome to the forum.
You better look in the maintenance section, this happens often and hardly ever blows relays, but almost always blows a diode in the wiring harness. In the 750 the diodes are in a cap/plug, under the seat.
Also check the 40Amp fuse at the starter relay/solenoid.
Have you downloaded the Workshop manuals for your bike from my site ?
Good luck.
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Last edited by Donsy; 01-24-2016 at 07:18 PM.
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