How To Avoid Blowing Fuses - Hazet 2152-5 Notice D'utilisation

Due to the increased power rating of the testing device, there is more current flowing when the
switch is operated. You will find out that the testing device is supplying higher nominal current to
the electrical devices.
Caution: Grounding a positive circuit with the testing device can blow a fuse, if
the fuse is connected directly in series to the circuit being grounded. Please see
figure.
In this circuit the 30 A fuse can blow if the
rocker switch is pushed backwards (-).
Make sure that the fuse is connected to the
device.
32
3 Design and Function

How to avoid blowing fuses

This circuit can be
ground without
destroying the fuse.
30 A fuse
Do not use on electronic control units!
This circuit can be
ground without
destroying the fuse.
Engine
or
horn
Relay