OK- when I use my turn signal, both of my high beam lights flash, and I get no turn signals anywhere around the van. Same thing when I use my hazard lights. Brake, backup, parking lights, and high and low beam all work ok, its just the turn and hazard switch seem to be messed up. Its a 2002 chevy express 3500
Seems like the multi-function switch is failing
easy to replace and fairly common
SOURCE: 1999 Chevrolet Astro Van problem
the head lights have tree wires goig to it one groun one gets power when high beams on the 3rd gets power only with low beam on test the wires or try by plugin a good known head light to conector if it works with low beam then replace both head ligts because head light come with two bulbs in one high and low
SOURCE: 1992caravan turn signals, low beams, and heater motor do notwork
A) Faulty turn signal switch or circuit.
B) Broken dimmer switch or poor electrical connection.Could be relay also.
C) Unplug the electrical connector at the motor and use fused jumper wires to connect the fan motor directly to the battery. If the fan still doesn't work replace the motor. If fan works could be your relay.
SOURCE: no brake lights on 2000 chevy 3500
Back in the rear of the truck up under the tail gate area the wires there always seem to corrode and loose connection.If you have ever had a trailer hooked the spot where they connect to the truck wiring.Those sometimes come loose or also corrode.That really the only spot they have problems If you have a test light go back to where the wires are connected to the rear lighting and test for power there.You should be able to find the problem there I hope this helps you.And Have A Great Day!!!!!!!
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SOURCE: no headlights
You need to start by checking the fuse for your headlights (low beams). The DRL could be be bad, but I have not seen them go out very often.
SOURCE: I have A 2000 Chevy 3500 Express Van and the brake
Hi,
When you said that you checked the brake switch, did you check it live? Meaning verified live power to the switch, press switch, and then power came out the other terminal?
If so, also verify zero power on brake press, at the offending brake light bulb terminal. You must verify the test light each time you move it...leave running lights on...
After verifying that there is no power coming, after the brake is pressed, note the wire color and find it where it comes to the steering column and test there... This would eliminate wires and connections between front and the rear of the vehicle, unlikely, but needs to be tested.
After verifying no power at that terminal, then yes the t/s switch is certainly suspece. This may be the time to get a mechanic to verify and replace the switch, there are locks, tilt mechanisms, air bags, column bearings, etc involved. Failures risk loss of vehicle control (locking or binding for example.)..
Hope this gets you going in the right direction.
Testimonial: "Thank You. I tried those things and it seemed to be the Emergency Flasher switch in the multi function switch."
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