Dome Light Electrical Light - Testing (A.40.A.23.85 - G.40.A.20); 435, 445, 445Ct - Case 435 Repair Manual

Dome light Electrical light - Testing (A.40.A.23.85 - G.40.A.20)

435, 445, 445CT

NOTE: For wiring diagram refer to Wiring harness - Electrical schematic frame 16 (A.30.A.88 - C.20.E.16)
N° Test Point
1 Bulb
2 Terminal for wire 178AG (B) to
ground.
3 Turn the key switch to the ON
position.
Terminal for wire 137C (R) to
ground.
DISTRIBUTION SYSTEMS - LIGHTING SYSTEM
Expected Result
Good
Continuity
Approximately 12 volts
1 04/05/2005
A.40.A / 8
Other Result (Possible Cause)
Bad bulb.
Bad ground circuit.
Check the circuit between the dome
lamp and the key switch. Also check
the key switch.
If the readings are good replace the
dome lamp.