Symptom
What to Check
Device
does not
Check fuse. Check
switch
connection to voltage
on after
source (green cable)
switching
on car
Device
does not
Check connection to
switch
power source (green
off after
cable)
switching
off car
Device
Check connection to
does not
power source. Check
switch on
fuse (red cable)
What to Do
Replace fuse. Tighten
connection to voltage
source. Ensure a 3A fuse
is used
Tighten connection to
power source
Replace fuse. Tighten
connection to power
source
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