Kalmar Ottawa t2, Maintenance Manual

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9.6 Lighting System – 9 Frame, Body, Cab and Accessories 89
Maintenance Manual Ottawa T2 4x2
9.6.3 Clearance, Marker and Tail Lights
page –
Diagnosis
Clearance and marker lights are standard only on vehicles as-
sembled to meet FMVSS and CMVSS requirements.
Trailer marker and trailer tail light circuits are also controlled by
the headlight switch via a trailer lights relay. A separate circuit
breaker protects each trailer circuit.
Components
• Clearance Lights
• Headlight Switch
• Marker Lights (Trailer) (If Applicable)
• Marker Lights (Vehicle)
• Parking Light Circuit Breaker 10A
• Tail Lights (Trailer) (If Applicable)
• Tail Lights (Vehicle)
• Trailer Circuit Breaker 15A
• Trailer Lights Relay
Cab Clearance and Marker Light Circuit Diagnosis
Trailer Clearance, Marker and Tail Light Circuit Diagnosis
Observation Cause Action
Individual light inoperative Defective lamp Replace.
Defective wiring Inspect connections and wires.
Test circuits. Repair or replace as
needed.
All lights inoperative Defective light switch Replace.
Circuit breaker open Reset. Repair short as needed. Re-
place circuit breaker as needed.
Defective wiring Inspect connections and wires.
Test circuits. Repair or replace as
needed.
Observation Cause Action
Individual light inoperative Defective lamp Replace.
Defective wiring Inspect connections and wires.
Test circuits. Repair or replace as
needed.
All lights inoperative Circuit breaker open Reset. Repair short as needed. Re-
place circuit breaker as needed.
Defective headlight switch Replace.