how to rewire tail lights on a 1990 chevy 1500 pickup on 1990 Chevrolet 1500 Pickup

need help rewiring tail lights there seems to be a short fuse keeps blowing and we can't find short how do we rewire

Asked by for the 1990 Chevrolet 1500 Pickup
Does the fuse blow if the tailight assemblies are unplugged?
shouldn't but agree with goodguy start their
2 more answers
those vehicles were bad for the circuit boards rotting out
run wires parallel to the original tail is that easy