2022 Meso Customs Ultimate Tail Lights

So I just installed the new ultimate tail lights from Meso and the weirdest thing is happening. Passenger side works just fine but the driver side tail light works but when I try to signal left it doesn’t work I mean it won’t even signal once. Did I blow a fuse? Idk what the f to do.

 

Do the brake lights work?

 

You either:

A) Blew a fuse.
B) Installed the wiring harness backwards (and probably blew a few because of it).

 

maybe the plug for either the sequential or normal turn signal isn't plugged in at all?

 

Brake light does work. If it was a fuse do you have any idea which one?

 

Any idea what fuse it would be?

 

yeap

 

so change tail?

 

Well, if the fuse is blown, yes. Change it. If not, continue to diagnose the problem.

 

this is probably a dumb question but if it’s not the “tail” fuse could it be another one?

 

so I changed both fuses under the steering wheel and still no luck

 

This is a good post. Check all connections Op

 

Does the backup light work when you put it in reverse?

 

TURN circuit is separate from STOP, so is TAIL.
With the Driver's side rear lamp assembly removed from the fender. Disconnect the added harness, With a DMM (MultiMeter) verify function of TURN circuit only on the vehicle harness side.

 

Other option is to remove the added MESO harness, return to OEM and test the circuit. (on Driver's side)

 

yes they both do

 

Another option is to swap sides on harness. If issue moves then it's the MESO harness.

 

So I bought Meso customs taillight. It’s mot just a harness. It’s a entire taillight. The entire unit should be plug and play

 

So return the original tail light assembly to the vehicle harness & verify issue. Defective parts do and have happened.