turnsignals do not work but road hazard signals do--what do i do?

Asked by goocher Dec 11, 2013 at 07:27 PM about the 1978 Chevrolet C/K 10

Question type: Maintenance & Repair

8 Answers

50

check your fuses first, flashers could be independent of turn signals

5 people found this helpful.
415

Hopefully its something simple like a loose wire or bad fuse. But mine had a bad switch in the steering column. Also make sure you have the key on when testing it, I cost myself a lot of time by forgetting to turn on the key and thinking they still weren't working (different car similar problem).

7 people found this helpful.
415

And check the flasher itself, there should be one for signals and one for hazards. If you're not familiar with them, they are little (about an inch or so) modules by the fuses with 3 prongs in the back. Mine were round and silver, but they may vary.

9 people found this helpful.
5,220

The direction, hazard, and break lights are all the same filament within the two filament bulb. If your emergency flasher and break lights work then the wiring to the bulb and the bulb itself are OK. It depends on the year but from about '78 to '88 the turn signal flasher and the emergency flasher are two separate flashers at the fuse box. The one located at the lower right corner is for turn signals and the one on the top left corner is the emergency flasher. Don't replace this with the standard generic flasher you can find on the shelf. Go to the parts guy in your favorite parts house and let him get the one you need for your year Chevy c10s from their stock shelves. this will most likely solve the problem.

20 people found this helpful.
105

I have a 1973 Plymouth Valiant and the hazards would work but not the turn signals. I have already replaced the flasher fuse and the turn signal switch. Any help would be greatly appreciated.

10 people found this helpful.
60

I have a 1963c10 fleet short automatic chevy my square amber light come when i hook up the battery key off now everything i mean wires under the dash bought new ignition switch, bought head switch but can get my signals light to come and off the stay on what im i missing here put grounds all over the truck i use test light to determine which r to my single lights but every wire r still hot help anyone

3 people found this helpful.
60

Juan is my name on the 63 truck like i mention key off square light comes stay on ,used test light every wire is hot i do have a steering column that is of another truck thats how i bought it but i put ignition switch on the dash hook up ,bat,ignition, ground ,sol,i dont know what wire goes to acc could that b the problem any suggestions would be appreciated thanks getting headaches aint no joke

3 people found this helpful.
30

If the amber light is always on then you have a wire connected to it that is directly wired to the battery. It needs to be connected to a wire that becomes hot when you turn on the lights. Look at the wires that are connected to the lights which are working correctly, See what color wires go to that type of light.

2 people found this helpful.

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