There is 2 flashers, Hazard is on back of dash fuse panel, hazard power is shared with brake lights, if brake lights function, hazard circuit is getting power. Dicker with the hazard switch, push up and down repeatedly and wiggle it, sometimes dust will cause the hazard button to stick and not complete a connection. If flasher and fuse are good, suspect worn multi-function switch.
ill agree with the possible mutli function switch causig concern , they have given some problems over the years , both hazards and turn signals go thru it , and are on same cicuit from multi function switch out , if i remember correctly they do have seperate feed power fuses, may be wrong on that
I had the same problem with mine, and it was close to the multi-function switch. The connector that had all the wires for the multifunction switch was not holding wire going to the hazards, and it just pushed backwards out of the connector, causing it to not make contact when the connector was in all the way. I just had to push the wire back into the connector, and all was good. To ensure it stayed in, I think I put a small cable tie around the hazard wire tying it to another wire.
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