Question about 1993 Pontiac Grand Prix
Turn signals in 1993 pontia grand prix quit working replaceblinker modual under dash and signal switch in steering column. worked for a few months then quit again. after replacing of switch the car enginie would pulse when the left turn signal was activated. the turn signal lever flots around on the steering column now, also cannot use bright lights (same switch is used to activate bright lights). I checked the fuses none are blown. Before the switch was replace in the column it would blow fuses when turn signal was activated.
I hate to say it but GM "W" bodies of that time period ( Regal, Cutlass Supreme, Lumina, and Grand Prix) are notorious for turn signal problems. I'm a machanic and also have owned 3 W body vehicles. The pivot bushing in the switch wears prematurely and in turn causes the copper contacts to barely touch each other. If the contacts are dirty, there is resistance. Where there is resistance, there is heat, hence the smoke. It's just a poor design. What I do instead of replacing the switch requires some time and some surgical skill but it always works for me. At the pivot end of the switch, I remove the screw and remove the metal tube insert. I wrap the metal with electrical tape to take up the slack from the wear then grease the heck out of it. At the contact end I attach a piece of sheet metal to the bottom of the movable part of the switch so it sits underneath the non-moveable part making it so the moveable part can't lift up and lose contact. That's just a vague description but if you want a detailed one let me know and I'll write one. I did it to my '89 Regal 4 yrs. ago and to my wife's Grand Prix 1 yr. ago and they both still work great. Just a design flaw in the switch. Sometimes you have to pick up wher the car companies left off! beest921
Posted on Jul 22, 2008
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Posted on Jan 02, 2017
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