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Fuse ratings for Jensen GT  Rate Topic 
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 Posted: 06-21-2024 03:17 pm
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NickH
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Does anyone have a drawing showing the design fuse ratings /locations for a 76 GT?

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 Posted: 06-21-2024 07:14 pm
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vnavaret
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NickH wrote: Does anyone have a drawing showing the design fuse ratings /locations for a 76 GT?
The fuses are all 35 amp fuses, so location does not matter.

CAUTION: The fuses are rated using the DIN standard since they are metric. If you substitute the typical Auto Parts store cartridge fuses, you MUST derate them by 50% to 17 amps, since they are rated using the UL standard instead of DIN.

UL fuses are slightly longer, but in general will fit in the metric fuse holders. If you find they must be forced into place then you should get 35 amp metric fuses, available from purveyors of British parts.

I have noted of late that British fuses show TWO ratings. The DIN rating in large type (e.g. 35 AMP) and the continuous rating (e.g. 17 amp) in a smaller font. The latter rating is typically identical with the UL rating. So at least they TRY to keep you from setting your wiring on fire.

Vance

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 Posted: 06-21-2024 07:41 pm
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NickH
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Hi thanks - that makes it easy - interesting though the "spare" fuses in the lid are two different ratings - and they look original! Thanks also for the reminder on the ratings - I saw the earlier post on that! How does the saying go - two countries divided by a common language (and fuse rating system)!

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 Posted: 06-21-2024 08:01 pm
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vnavaret
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Those fuse ratings are from the shop manual specifications section, and a reproduction manual at that. Who knows what was done on the assembly line, and much less so for previous owners?

The DIN standard comes from Germany, so we can't blame this one on the Brits. DIN stands for German Standards Institute. (Deutsches Institut fur Normung).

Last edited on 06-21-2024 08:03 pm by vnavaret

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