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Lost instruments today

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Lost instruments today #1
jdonfaber Don Faber Columbus, IN, USA Sign in to contact 1972 MG MGB GT 1979 MG MGB V8 Conversion	Topic Creator (OP) Apr 14, 2024 06:29 PM Joined 12 years ago 51 Posts

A 300 mile trip in my GT today - halfway through, I lost gas gauge, engine temp, tachometer, turn signals , and brakes. This happened after I left a turn signal on for a few minutes. I have another 120 miles tomorrow - suggestions? I could use advice! thinking a fuse

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Re: Lost instruments today #2
MG Cobbler Fred Horner Westford, MA, USA Sign in to contact 1948 MG TC 1955 MG TF 1500 1958 MG MGA 1500 ~ For Sale ! ~ 1959 MG MGA 1600 & more	Apr 14, 2024 06:49 PM Top Contributor Joined 8 years ago 2,691 Posts

yes, sounds like fuse from white wire to green wires. Also make sure all your connections are clean at the fuse block. Perhaps if there is corrosion on one of the green wires it heated up and quite working. If the fuse is not blown then it is probably a poor wiring connection.

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Re: Lost instruments today #3
DocDup1 Richard Watson Carmel, CA, USA Sign in to contact 1965 Chevrolet Corvette 1967 Chevrolet Corvette 1967 MG MGB GT 1968 Triumph TR4A & more	Apr 15, 2024 08:50 AM Top Contributor Joined 2 years ago 551 Posts

My GT did the same thing two days ago. It turned out that the fuse was bad. I was not blown, it just started to get intermittent due to an internal problem. When I tested it, it would work sometimes and then fail if I twisted the end cap. New fuse and all is well.

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Re: Lost instruments today #4
jdonfaber Don Faber Columbus, IN, USA Sign in to contact 1972 MG MGB GT 1979 MG MGB V8 Conversion	Topic Creator (OP) Apr 16, 2024 06:42 AM Joined 12 years ago 51 Posts

It was the fuse - quick, easy fix. Thanks!

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Re: Lost instruments today #5
MG Cobbler Fred Horner Westford, MA, USA Sign in to contact 1948 MG TC 1955 MG TF 1500 1958 MG MGA 1500 ~ For Sale ! ~ 1959 MG MGA 1600 & more	Apr 16, 2024 08:26 AM Top Contributor Joined 8 years ago 2,691 Posts

Don, was it actually blown? If so, you may need to first ensure it is the correct size AND if it is the correct size then you may need to investigate WHY it blew. Remember that the British fuses are different than US and rated differently for their blow current.

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