There are 4 fuses. Pic swiped from mgb forum.
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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.
Mgb fuse box diagram. Now i am not so dumb as to simply pull all the wires from the box without. The lights now run off the relays are the marker lights turn signals reverse lights license plate lamps low and high beams and we. 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.
Installing relays in the lighting circuits of a 1974 mgb gt. Ive always sort of figured the fuse block on my 73b roadster protected all the wires connected to it. It has been a while since i have posted.
If you thought the fuse box for the vw bus was simple with 12 fuses the mgb fuse box will blow your mind. Mg mgb technical which circuits are fuse protected. Ill pause while that sinks in.
That is both the wires coming off the back and front of the block. The brake lights run through the same fuse as. The project at hand is a 1977 mgb roadster that returned from the body shop a while ago.
Mgb gt wiring diagram wiring diagram is a simplified up to standard pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the capability and signal contacts together with the devices. A d v a n c e a u t o w i e. C o m d m p u b l i c a t i o n 5.
To be fair there are 2 additional in line fuses floating around near the box but the box only has 4. 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. John twist explains the electrical system for 1977 through 1980 mgbs.
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