Ive checked every bulb several times. They all work none are out.

I did replace a dead lic plate light but the lamp out light is still going on

I guess one will go out soon so I can replace it. For now all my light bulbs are working fine

 

I had the same issue. Replaced all the rear bulbs even though none were out. Fixed.

 

If this doesn't work then check the tail light circuit boards (what the bulbs plug into).

 

what exactly do you check about the "circut boards"?

I had them both out and looked at all 6 bulbs and all the bulbs were good , I check every single bulb filiment and glas coloration

everything looked good

 

Check if they're corroded or have any loose wires. Sometimes they can cause issues with the trucks.

 

Thanks for the replys but my bulbs all work OK. I've swapped rear light clusters and works on other side. It seems no power getting to that wire. I've checked where tow bar wires join loom and no power there either.