Short on fuses

Practical Sportsbikes (UK) - - WHAT’S THE PROBLEM? -

Q Can a low/knack­ered bat­tery lead to blown fuses? My 1996 Suzuki GSX-R750 SRAD is ran­domly pop­ping the main 20A fuse. I started un­plug­ging stuff; all other fuses, fuel pump, reg­u­la­tor, heated grips, etc, and it still did the same thing. I then re­moved the bat­tery ter­mi­nals and con­nected them to my booster pack and it in­stantly stopped. I re­moved the booster, put the bat­tery leads back on and it’s still not blow­ing them. No amount of wire wig­gling will make it do it on de­mand. Danny Brear, PS Face­book Group

A Fer­ret says: You have to love an in­ter­mit­tent elec­tri­cal fault. One thing: it isn’t is the bat­tery. Cor­ro­sion in switchgear can cause main fuses to blow. Also check for shorts in the al­ter­na­tor sta­tor and the wires to the reg/rec.

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