| Diagram | Fig. 26 — ELECTRICAL EQUIPMENT (PART 1) · ref 46 |
| Listed in parts books | 1969–1972 |
BSA Fuse — main harness (35 amp.)
35 amp main wiring harness fuse for the bike's electrical system.
This is the 35 amp fuse Ed pulls when someone's electrics have gone dead all at once. It's a main harness fuse, meaning it sits inline with the bulk of the bike's wiring rather than protecting one single circuit, so when it blows you generally lose more than one thing at a time - lights, ignition circuit accessories, whatever's downstream of it on that harness.
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The catalog shows this one turning up across several electrical equipment figures, which tells us it was a common fitment across more than one model in that era rather than a one-off part for a single machine. Beyond that the record doesn't pin it to a specific model or year, so if you're chasing an exact fitment, give the shop a call and we'll confirm before you order.
If your bike's gone completely dark or refuses to fire and everything electrical seems to have quit together, this fuse is one of the first things worth pulling and checking. Keep a spare in the toolbag - it's a cheap habit that saves you a roadside puzzle later.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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