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Fuse Types and Sizes

Mod Description
We all know that fuses have different ratings but on the smart they are also different sizes.
Mod Details
PremiumNo Difficulty Mod ID302 CreditEvilution For450 Fortwo451 Fortwo452 Roadster453 Fortwo/Forfour454 Forfour Linkhttps://www.evilution.co.uk/mod/fuse-types-and-sizes.htm Copy to Clipboard

The Mk7 and Roadster fusebox (also known as the SAM unit) contains 44 fuse holders.

Each fuse protects a certain electrical circuit in the system and come in a range of different ampages. Each ampage is noted by a specific colour code that is used worldwide.

3 Amp Violet
4 Amp Pink
5 Amp Tan
7.5 Amp Brown
10 Amp Red
15 Amp Blue
20 Amp Yellow
25 Amp White AKA Neutral or Clear
30 Amp Green
40 Amp Orange
50 Amp Red

It should also be noted that car fuses come in different physical sizes, the smart has 3.

Mini blade
Standard blade
Maxi blade

700cc 450 Fortwo & 452 Roadster

Mini blade fuses are used in positions 5 to 27 on the fuse box.
Standard blade fuses are used in positions 1 to 4 and 28 to 31.
Maxi blade fuses are used in positions 32 to 35.

Positions 32 to 35 are on the unseen top side of the fuse box and they can only be accessed by removing the dash or pulling the fuse box from its mountings in the footwell.

Standard blade fuses are also used in positions R1 to R9 which are also known as positions 36 to 44 which are on the right hand edge of the SAM unit. Half the fuse is held by the SAM unit, the other half floats free to the side where a spade connector can be connected.

In a standard car these spaces would be empty and are used as an aux power source for optional extras such as heated seats. These can be used for what ever you wish.

600cc 450 Fortwo

Mini blade fuses are used in positions 1 to 20 on the fuse box
Standard blade fuses are used in positions 1 to 4 and 21 to 26.
Maxi blade fuses are used in position 27.

451 Fortwo

Mini blade fuses are used in positions 5 to 27 on the fuse box.
Standard blade fuses are used in positions 1 to 4 and 28 to 31.
Maxi blade fuses are used in positions 32 to 35.

Positions 32 to 35 are on the unseen top side of the fuse box and they can only be accessed by removing the dash or pulling the fuse box from its mountings in the footwell.

Standard blade fuses are also used in positions R1 to R9 which are also known as positions 36 to 44 which are on the right hand edge of the SAM unit. Half the fuse is held by the SAM unit, the other half floats free to the side where a spade connector can be connected.

In a standard car these spaces would be empty and are used as an aux power source for optional extras such as heated seats. These can be used for what ever you wish.

453 Fortwo & Forfour

Mini blade fuses are used in positions 1 to 22 and 26 to 49 on the fuse box.
Standard blade fuses are used in positions 23 to 25.