Purkeys DIRECT FLEX - Interior Lights Not Working (if Installed)

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FLEX/MAX DIAGNOSTIC GUIDE
INTERIOR LIGHTS NOT WORKING (IF INSTALLED)
e interior lights can be powered by ligate batteries, dual pole, 7-way,
reefer, etc.
Step 1: Check for voltage at the
interior light module:
• Place the voltmeter positive
lead on the blue wire.
• Place the negative lead on the
white wire.
• ere should be a power source
voltage reading aer closing the
interior light switch.
• If there is a voltage reading,
inspect the wiring between the
power source and the module.
Replace if necessary.
• If there is no voltage reading,
proceed to the next step.
Step 2: Next:
• Place the voltmeter positive
lead on the 30 amp fuse on the
module.
• Place the negative lead on the
white wire.
• If there is a voltage reading,
proceed to the next step.
• If there is no voltage reading,
inspect the wiring between the
source and check the fuse for
continuity. Replace if necessary.