Injectors and fuses

[Tommy.Palm at oron.ds.sll.se]

>>
>>     For anyone out there!
>>     =

>>     I am currently connecting a new efi system and I was wondering wh=
ether =

>>     to include a fuse in the common 12V supply to all the injectors, =
just =

>>     to avoid the injector drivers in the efi unit stuffing up if one =
of =

>>     the injectors short out and draw major current through the efi un=
it.  =

>>     Any thoughts?
>>     =

>>     =

>>     Dan        dzorde at aesprodata.com.au
>>      =

>>
>
>Dan,
>      Yes a good idea. Size of fuse will depend on whether you are usin=
g 16
>ohm or 3 ohm injectors. Better than blowing a track off the pcb !
>                  regards,
>                           Mark Boxsell
>                           MRB Design
>                           Sydney   Australia
>
I agree!
In the 2.5 ohm systems i have checked they don't take more than 1-
1.5amp/injector. Around 2 amp should bee a good choise since the most
transistors used have a much higher max limit (this concerning 1 transis=
tor per
injector).

regards,

Tommy Palm
tommy.palm at oron.ds.sll.se
Sweden