no dash or tail lights


Asked by Cole Nov 16, 2018 at 01:00 AM about the 1999 Chevrolet Suburban K2500 4WD

Question type: Maintenance & Repair

On my 99 burb the tail lights went out along with dash lights when i was
pulling a trailer lights stopped working on trailer as well. only functions that
worked was the hazards and brake and turn i believe...i changed the parking
light fuse #9 and the lights came back on but as soon as i reconected the 7
wire blade trailer plug the fuse blew again so i tried to put a 30 a in and the
tail lights seemed dimmer so idk lost here what must i do need them working
by tommorow

8 Answers


I suspect you have a trailer wiring problem. If it works correctly with the trailer disconnected but blows a fuse when you plug it in that tells you the trailer is the problem. A heavier fuse may mean you burn up the wiring ! ! !

1 people found this helpful.

Look for a damaged/pinched trailer wire!


and also i just got this truck and the harness under the truck looks super rough like the trailer lights were working perfectly fine all day and all of a sudden i look down no dash lights no tail lights and no marker lights on trailer.... and a bigger fuse will melt wires???? i noticed one of the wire nuts fell off the rear swing door where the lights are mounted but i mean it worked fine all day its just been a headache....ill go take a few pictures of this mess to help ya


also the if there is a pinched wire in the trailor that wouldnt cause the trucks lighting issue. would it?


You need to clean up the wiring mess! Good luck.

1 people found this helpful.

What is all this extra wiring for?

1 people found this helpful.

You may need to get a pro involved. I would start by inspecting the trailer wiring. If the truck works properly without the trailer you can concentrate on the trailer and leave the truck until a later time.

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