Any advice please

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M1kee
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Joined: Thu Jul 13, 2017 8:56 am

Any advice please

Post by M1kee »

Started my bike up a couple of days ago to warm it up with no problems. Went to do the same again today and absolutely no electrics when i turn the key. Nothing. Checked the fuse on left hand side and that’s ok. Battery is fully charged. Earth is fine. Where else should I be looking?
Suzuki GT750M 1975
BMW 2002, 1976
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Alan H
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Joined: Fri Aug 05, 2011 6:38 am
Location: Wombwell, Republic of South Yorkshire

Re: Any advice please

Post by Alan H »

Flat battery?
Proof that four strokes are over complicated
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M1kee
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Joined: Thu Jul 13, 2017 8:56 am

Re: Any advice please

Post by M1kee »

Battery is fully charged. Fuse is ok. I’ve checked that all the loom wires are well connected. Absolutely no power.
Suzuki GT750M 1975
BMW 2002, 1976
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malky
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Joined: Sat Dec 19, 2009 3:25 pm
Location: swansea south wales

Re: Any advice please

Post by malky »

Duff ignition switch ? Have you got power getting to it ?
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M1kee
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Joined: Thu Jul 13, 2017 8:56 am

Re: Any advice please

Post by M1kee »

Just taken ignition switch down and there is no power getting to red wire.
Suzuki GT750M 1975
BMW 2002, 1976
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M1kee
Posts: 34
Joined: Thu Jul 13, 2017 8:56 am

Re: Any advice please

Post by M1kee »

Sussed it, the clamps around the main fuse were too loose. That was a waste of a day 🤣
Suzuki GT750M 1975
BMW 2002, 1976
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slosher
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Location: Walsall,Black Country

Re: Any advice please

Post by slosher »

M1kee wrote: Wed Nov 17, 2021 2:38 pm Sussed it, the clamps around the main fuse were too loose.
what clamps do mean M1Kee :?
GT750L
GT550L
TL1000 97s
T140V
Loctite Trained Engineer :lol:(since having the Bonnie)
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M1kee
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Re: Any advice please

Post by M1kee »

The clips that hold the fuse in the white plastic fuse holder.
Suzuki GT750M 1975
BMW 2002, 1976
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Alan H
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Joined: Fri Aug 05, 2011 6:38 am
Location: Wombwell, Republic of South Yorkshire

Re: Any advice please

Post by Alan H »

Chuck the entire fuse carrier away and fit one of these - ebay 270891803115 - or similar, then you'll not have other issues. Spare blade fuses are dead cheap and easily available.
The main problems with 40+ year old bikes are bad wiring joints and connections. These can cause poor sparks, dull lighting and poor charging.
I suggest that a nice steady winter job for you is to split EVERY joint (one at a time) and clean both connectors, then put it back together and go on to the next one.
If you want to check some, while you've got the left side panel off, pull the 3 large connectors (one at a time!) near the rectifier/regulator and have a look at the pins & sockets.
Proof that four strokes are over complicated
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