My head light won't work put New bulb in it what can it be
Find someone with an electric meter, and start with the headlight switch.
Take that apart, and see if there is any electricity getting to the switch.
If there is, then check and see if there is electricity flowing to the headlight from the wire connection on the headlight switch.
If there is, take a jumper wire to the headlight from the headlight switch, to test the wire in the harness.
Be sure, also that the ground wire from the headlight to the ground is good, as a bad ground wire will not allow the light to work.
God bless your efforts.
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