ELECTRICAL
4181383 First Edition 4-55
4
Symptom: Horn does not sound with engine temperature reaches overtemp.
Light Circuit
Symptom: Work lights do not turn on.
Probable Cause Remedy
Faulty engine temperature sensor input
circuit.
Check continuity between engine temperature sensor grn wire terminal and control
module engine temperature sensor input terminal J2-12. Continuity must be indicated.
Probable Cause Remedy
Open fuse 20A fuse F1. Test fuse. (See “Fuse Test” on page 4-57.)
Faulty light switch. Test switch. (See “Light Switch Test” on page 4-60.)
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