Colorado 4WD L5-3.5L VIN 6 (2005)
Disconnect the front park turn signal lamp electrical connector (1) from the front wiring harness connector. Then remove the lamp assembly by using a
screwdriver to release the outboard retaining clip (2) from the front inner fender.
Place the park turn signal lamp assembly with the bottom side up on a work bench.
Clean the center edge (1) of the park turn signal lamp where the housing meets the lens with denatured alcohol.
Cut a piece of Kent Automotive(R) Adhesive Shim Stock, P/N 46480 or equivalent to 6 mm (1/4 in) width by 47 cm (18-1/2 in) length.
Apply the adhesive shim stock (1) to the bottom side of the park turn signal lamp around the entire center edge where the housing meets the lens.