When I turn on the headlights the tail lights/running lights don't come on. The brake lights, turn signals, flashers and headlights all work fine, but the running lights and dash lights don't come on. Also, with the doors closed, when I turn on the headlights the interior light under the dash comes on. I've checked all fuses under the dash and all appear to be fine. Any suggestions as to what might be the cause?
Check the tail light bulbs, check to make sure the dash lighting switch is turned up but not turned so far up that the interior lights come on when the door is closed.
SOURCE: no dash lights on 2005 PT Cruiser
this needs the multifunction switch in the steering column the flasher switch is connected to this!
SOURCE: dash lights and tail lights not working on my 1999 chevy malibu
Hi its rob here what make and model of car is it? it sounds like the light switch is faulty but that wouldnt stop the brake lights workin try two stop and tail light bulbs then if you have stop lights your switch is at fault
SOURCE: Tail and dash lights do not work. fuse is good
I just read somewhere that there may be another fuse box in the trunk, depending on your model. I'm trying to diagnose and fix this exact problem right now. I've already replaced the dimmer switch with one from the junkyard, but it didn't work. If you figure this out please let me know!
SOURCE: Park/Tail lights not working. Brake/signals are
Before going ahead and spending money on a new module, test it first. The module is located under the steering column. You'll find a Brown wire on one of the connectors (i just looked at a wire diagram). Do no disconnect anything. Back probe the brown wire, which is the power feed to your park lights. With the lights off, there should be 0 volts on you voltmeter. Turn the park lamps on, There should be 12V. If there is not 12V, disconnect the connector and try to check voltage at the pin that feeds to the brown wire, if still not 12V, replace the module. If you do get 12V, then module is ok, find where the 12v is being dropped before making it to the lamps.
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