Turn Signal Switch Trivia Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Bruce68SB · 02-02-2003, 03:37 PM

I am installing a new turn signal switch in my 68 Chevy truck. I am trying to figure out what kind of screw holds the turn signal lever in place (to the switch).

The old switch had the turn signal lever held down with a drywall screw epoxyed in place. My new switch did not come with a screw for the turn signal lever. Neither did my new turn signal lever. The hole the screw goes in is plastic for the first 1/8 inch of depth, and then metal for the other 5/8 inch of depth. And I just noticed the metal part of the hole is not threaded. If I put a bent paper clip in there, I can feel it is smooth.

Does this take a special self-tapping screw to go into this hole?
Any assistance would be greatly appreciated.

Longhorn Man · 02-03-2003, 12:19 AM

I'd just swing by a junk yard myself.
Don't tighten it oo much...the plastic will crack.

Bruce68SB · 02-12-2003, 01:02 AM

I finally figured out what size screw holds the turn signal lever, to the switch.
I spent Sunday afternoon at the junkyard pulling steering wheels to look at the
turn signal switch.

The screws are #8 diameter and .610 long. Most of the ones I found were
#8-32UNC x .610 long, button head, phillips drive, self tapping. I saw some #8-18UNC screws out there also, but only a few. The finer thread screws seem to work better. There are 5 different types of self-tapping points. The finer threads screws uses a type 23 self-tapping tip.

If someone else is looking for these, you can buy them from McMaster-Carr industrial supply Co.
They have a catalogue on the web. Their part number for a box of 100 is 98273A225. A box of 100 will run you $9.40 for these stainless steel screws.

I hope some turn signal switch supppliers see this post. Including the mounting screw with either the turn signal switch, or the turn signal lever would save us joe's out there, allot of time and frustration.

Bruce68SB · 02-17-2003, 05:19 PM

TOP

Locutus · 02-17-2003, 05:27 PM

My truck did not have the arm so I bought a switch hoping to get it all. This was not the case. I ended up pulling the the arm and screw out of my 73 olds cutlass stock car(no need for blinkers) The arm and screw were a perfect fit. I cleaned the rust off of the arm and painted it black to match the other interior componants.

02-02-2003, 03:37 PM	#1
Bruce68SB Registered User Join Date: Jan 2001 Location: Pomona, CA, USA Posts: 90	Turn Signal Switch Trivia Question I am installing a new turn signal switch in my 68 Chevy truck. I am trying to figure out what kind of screw holds the turn signal lever in place (to the switch). The old switch had the turn signal lever held down with a drywall screw epoxyed in place. My new switch did not come with a screw for the turn signal lever. Neither did my new turn signal lever. The hole the screw goes in is plastic for the first 1/8 inch of depth, and then metal for the other 5/8 inch of depth. And I just noticed the metal part of the hole is not threaded. If I put a bent paper clip in there, I can feel it is smooth. Does this take a special self-tapping screw to go into this hole? Any assistance would be greatly appreciated.

02-03-2003, 12:19 AM	#2
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	I'd just swing by a junk yard myself. Don't tighten it oo much...the plastic will crack.

02-12-2003, 01:02 AM	#3
Bruce68SB Registered User Join Date: Jan 2001 Location: Pomona, CA, USA Posts: 90	I finally figured out what size screw holds the turn signal lever, to the switch. I spent Sunday afternoon at the junkyard pulling steering wheels to look at the turn signal switch. The screws are #8 diameter and .610 long. Most of the ones I found were #8-32UNC x .610 long, button head, phillips drive, self tapping. I saw some #8-18UNC screws out there also, but only a few. The finer thread screws seem to work better. There are 5 different types of self-tapping points. The finer threads screws uses a type 23 self-tapping tip. If someone else is looking for these, you can buy them from McMaster-Carr industrial supply Co. They have a catalogue on the web. Their part number for a box of 100 is 98273A225. A box of 100 will run you $9.40 for these stainless steel screws. I hope some turn signal switch supppliers see this post. Including the mounting screw with either the turn signal switch, or the turn signal lever would save us joe's out there, allot of time and frustration.

02-17-2003, 05:19 PM	#4
Bruce68SB Registered User Join Date: Jan 2001 Location: Pomona, CA, USA Posts: 90	TOP

02-17-2003, 05:27 PM	#5
Locutus Registered User Join Date: Jan 2003 Location: Santa Fe, Texas Posts: 250	My truck did not have the arm so I bought a switch hoping to get it all. This was not the case. I ended up pulling the the arm and screw out of my 73 olds cutlass stock car(no need for blinkers) The arm and screw were a perfect fit. I cleaned the rust off of the arm and painted it black to match the other interior componants.



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