Reverse lights not working
Try replacing or checking first the switch for the revers light.
Back-up light switch.
Inspect the wire for damage.
Checked all fuses and changed the neutral position switch. Still not working. Now what ?
Put my test light on the switch plug with the shifter in reverse and ignition on, and not hot.
Keep tracing back to the rear end. Have you checked the bulb socket, and see if the power is back to that point? Behind the bulb socket the wiring should run to a plugin. Start checking from there also.
Check voltage at the wiring plugs under bed, it might be disconnected or damaged
Seems there is no power to the plug at the neutral position switch which I replaced that switch from the dealer, With the shifter in reverse and ignition on.
Transmission was rebuilt and came back with no working reverse lights
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