turn signal iffyness can also be caused by bad fuse and by the emergency flasher switch, both happened to me. I took the e-flasher switch apart and cleaned it and then cleaned the fuse ends and it solved the problem for me

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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)