Peterbilt 348 2017 - Page 49

WHATTODOIF...
CAUTION
Neverpatchfuseswithtinfoilor
wire.Thismaycauseseriousdam-
ageelsewhereintheelectricalcir-
cuit,anditmaycauseare.
CAUTION
Ifacircuitkeepsblowingfuses,have
theelectricalsysteminspectedfora
shortcircuitoroverloadbyanau-
thorizeddealerassoonaspossible.
Failuretodosocouldcauseseri-
ousdamagetotheelectricalsystem
and/orvehicle.
FuseInspectionandReplacement
Alltheelectricalcircuitshavefuses
toprotectthemfromashortcircuitor
overload.Ifsomethingelectricalon
yourchassisstopsworking,therst
thingyoushouldcheckforisablown
fuse.
1.TurnOFFalllightsandaccessories
andremovetheignitionkeyto
avoiddamagingtheelectrical
system.
2.Determinefromthechartonthe
fusepanelwhichfusecontrolsthat
component.
3.Removethatfuseandseeifitis
blown.
1Blown
Ifitisblown,replaceitwithafuseof
thesamerating.
Ifafuseofthesameratingisnot
available,afuseofalowerratingmay
betemporarilysubstituted.Youcan
alsouseafusefromacircuityoucan
dotemporarilywithout(forexamplean
accessorycircuitorradio).
CAUTION
Whenreplacingafailedcircuit
breaker,alwaysuseanapproved
circuitbreakerwithacurrentrat-
ingequaltoorlessthanthecircuit
breakerbeingreplaced.Onlyuse
theapprovedTypeIImodiedre-
setcircuitbreakers.NEVERuse
aTypeI(automaticreset)orType
III(manualreset)circuitbreaker.A
fusewithacurrentratingequaltoor
lessthanthecircuitbreakerbeing
replacedcanalsobeused.
(03/17)Y53-6060-1C12-7
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