My truck right signals are not working I changed the
relay the bulbs and the circuit board and still
nothing works it's a 1994 chevy
Do the 4 ways and brake light work properly, if so then it is very likely that the turn signal switch went bye bye. I had an older chevy that was doing the same thing and found the 4way button had somehow been pulled out slightly, not enough to activate but just far enough to cancel some of the lights, might check that.
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