Fuse Problem

MGB discussion board for Roadster and GT classic car models.
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Joined: Wed Mar 06, 2019 11:55 am

Fuse Problem

Post by Noddy » Wed Mar 06, 2019 1:05 pm

I have a 1972 MGB GT which is constantly blowing the second fuse up(horn and interior light). I have disconnected both and same still happens.
Is there anything else running from this particular fuse - have checked the obvious things like shorts in the wiring etc.

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Joined: Wed Jul 05, 2017 11:41 am

Re: Fuse Problem

Post by Not_Anumber » Wed Mar 27, 2019 4:09 pm

With a new fuse in place but the wires disconnected (and taped) at both the horn and interior light try to move the wiring loom around to establish if it is movement of the loom causing an internal short. When the fuse blows you will know you have the right part of the loom to start investigating.

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