Mg mgb technical basic fuse block question took me by surprise but it seems the fuse block terminal with the double white wires one to the fuel pump is a 12v return to the fuse block and the fuse passes the power straight through to the green wire grouping directly across the block. Sign in to contact.

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Mgb fuse box diagram. Posted by yoeman. It has been a while since i have posted. Of course i may have knocked something loose behind the dash or in the engine bay but would like to eliminate fuses i shall be changing fuses regardless but value any input offered i should add the coil is not in place at.

I ve always sort of figured the fuse block on my 73b roadster protected all the wires connected to it. Fuse box connections and colours for mgb gt 1972 7 5 3 1 8 6 4 2 all fuses are 17a current rated and 35a blow rated. Can fuses still be faulty even if element is not broken and what does either fuse top and bottom run.

1980 mgb fuse box diagram 1. That is both the wires coming off the back and front of the block. Apr 17 2008 12 40 am.

Pic swiped from mgb forum. The project at hand is a 1977 mgb roadster that returned from the body shop a while ago. Among the goodies that had to be accomplished after the body shop was done with the car was the re attaching of various wires including replacing a broken fuse box.

In reply to 2179594 by skyblueb. To be fair there are 2 additional in line fuses floating around near the box but the box only has 4. Fuses seem alright unbroken.

Mg mgb technical which circuits are fuse protected. I ll pause while that sinks in. The uk 78 and on model has three green circuits and hence two in line fuses plus the fusebox fuse.

Surrey bc canada. Now i am not so dumb as to simply pull all the wires from the box without. There are 4 fuses.

Let there be light fuses and relays hi all another battle with the prince of darkness the fuse box and lights horn switching is one of the common failure points on the mg electrical system. The north american spec just has two green circuits and hence only one in line fuse. If you thought the fuse box for the vw bus was simple with 12 fuses the mgb fuse box will blow your mind.

1980 mgb fuse box diagram. Joined 12 years ago. 1979 mg mgb 1980 mg mgb.

John twist explains the electrical system for 1977 through 1980 mgbs.

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