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Discussion in 'General IH Tech' started by Eric V Bielke, Sep 30, 2007.
What is the trick to get the knob off of the shaft so that the switch can be removed?
If it's the older metal knob, there should be a set screw that locks it on. If it's the newer style plastic knob, I think there is a small metal spring clip inside that locks the knob to the shaft. I think you have to pry the clip up slightly to remove the knob without breaking it. I'm not sure through, because the wiper knob on my 1980 Scout was all ready broken and would fall off by itself.
Another possible variation....
I do not know if the Scouts have the same switch as T/As, etc.
I read a post in here that a GM headlight switch was also used.
On "older" GM switches, the knob / shaft is one piece and it is removed by pressing down a "spring-loaded" button on top of the switch.
You pull the switch out to "headlights on"; then, reach up and press the button down and pull the knob / shaft out. Take the bezel off; then, use needle nose pliers (lacking the correct tool) to remove the "nut" holding the switch to the dashboard.
Year of your Scout probably determines which switch you have -- barring PO modification.
RobertC, you are correct in regards to the headlight switch, but the wiper switch is different.
just failed reading comprehension.... again
I have the newer switch  so it must have the small clip to press up. But how do you get in behind the knob to release it???? Or is there a special tool to do this.
Help ----- anybody got any ideas?????
I made my tool using welding rod, I think coat hanger would work too. Heat it to red to anneal (soften) the steel, about 2" & let it cool naturally. Then pound the last 1/2" to a long chisel point. Next bend it 90° where the chisel point begins. Reheat it to gray, just under red & quench it in water or used oil. The quench should not be too important here. You may need to file the edges to narrow it enough to get it to slide in between the inside of the knob & the shat on the switch. It will be L shaped. Then insert it & pry the flat spring down & pull the knob back.
Worked for me.
I guess I was lucky mine wouldn't stay on. So when I put the delay switch on mine (I love delay wipers on my Scout) I just pulled it off. And my delay switch had a small screw for the knob. If your not going to reuse the switch cut the shaft off.
Doug---- Thanks that is what I wanted to know, I knew there must be someone who had the same problem.