Ranger 4WD V6-4.0L (2009)
GO to E2.
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E2 CHECK CIRCUIT CLN27 (WH/BN) FOR AN OPEN
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Ignition OFF.
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Disconnect: SJB C2280d.
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Measure the resistance between the instrument panel dimmer switch C2065-2, circuit CLN27 (WH/BN), harness side and the SJB C2280d-10,
circuit CLN27 (WH/BN), harness side.
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Is the resistance less than 5 ohms?
Yes
GO to E5.
No
REPAIR the circuit. TEST the system for normal operation.
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E3 CHECK THE INSTRUMENT PANEL DIMMER SWITCH
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Connect a fused jumper wire between the instrument panel dimmer switch C2065-2, circuit CLN27 (WH/BN), harness side and the instrument
panel dimmer switch C2065-4, circuit GD161 (BK/YE), harness side.
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Do the interior lamps illuminate?
Yes
REMOVE the jumper wire. INSTALL a new instrument panel dimmer switch. TEST the system for normal operation.
No
REMOVE the jumper wire. GO to E4.
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E4 CHECK CIRCUIT GD161 (BK/YE) FOR AN OPEN
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Measure the resistance between the instrument panel dimmer switch C2065-4, circuit GD161 (BK/YE), harness side and ground.