Testing fuses
04-10-2024, 12:46 PM
#1
Newbie
Thread Starter
Testing fuses
Very beginner question but I can’t find the steps I’m missing.
I need to find fuses with power while the car is off and without power while the car is off. The fuse box I tested, every fuse seemed to have power.
from what I understand there should be a mix in each fuse box of some that do and some that don’t. So this makes me think I’m missing something…
the fuse box I’m looking at is the 300-335 panel on the passenger side of the vehicle
any help is appreciated
I need to find fuses with power while the car is off and without power while the car is off. The fuse box I tested, every fuse seemed to have power.
from what I understand there should be a mix in each fuse box of some that do and some that don’t. So this makes me think I’m missing something…
the fuse box I’m looking at is the 300-335 panel on the passenger side of the vehicle
any help is appreciated
04-10-2024, 06:36 PM
#2
MBWorld Fanatic!
Most of the fuse circuits do remain hot with ignition off. Worse, some are time delayed and might shut off whenever. Makes finding a switched circuit a PITA, which are few. This is probably because all the electronic controllers need to have power present in order for their on/off switches to work.
